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8 vulnerabilities by antlr
CVE-2026-13503 (GCVE-0-2026-13503)
Vulnerability from nvd – Published: 2026-06-28 15:15 – Updated: 2026-06-28 15:15
VLAI
Title
antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal
Summary
A vulnerability was detected in antlr ANTLR4 up to 4.13.2. Affected by this issue is the function getImportedVocabFile of the file tool/src/org/antlr/v4/parse/TokenVocabParser.java of the component tokenVocab Grammar Option Handler. The manipulation results in path traversal. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
CWE
- CWE-22 - Path Traversal
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374497 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374497/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13503 | third-party-advisory |
| https://vuldb.com/submit/838686 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/8 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"tokenVocab Grammar Option Handler"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was detected in antlr ANTLR4 up to 4.13.2. Affected by this issue is the function getImportedVocabFile of the file tool/src/org/antlr/v4/parse/TokenVocabParser.java of the component tokenVocab Grammar Option Handler. The manipulation results in path traversal. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-22",
"description": "Path Traversal",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-28T15:15:07.671Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-374497 | antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/374497"
},
{
"name": "VDB-374497 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/374497/cti"
},
{
"name": "CVE-2026-13503 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13503"
},
{
"name": "Submit #838686 | antlr ANTLR4 4.13.2 Path Traversal tokenVocab File Read",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838686"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/wooyun123/wooyun/issues/8"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-27T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-27T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:18.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-13503",
"datePublished": "2026-06-28T15:15:07.671Z",
"dateReserved": "2026-06-27T18:28:07.035Z",
"dateUpdated": "2026-06-28T15:15:07.671Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-13502 (GCVE-0-2026-13502)
Vulnerability from nvd – Published: 2026-06-28 14:45 – Updated: 2026-06-28 14:45
VLAI
Title
antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou
Summary
A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is restricted to local execution. A high degree of complexity is needed for the attack. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374498 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374498/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13502 | third-party-advisory |
| https://vuldb.com/submit/838685 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/7 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"Maven Plugin"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is restricted to local execution. A high degree of complexity is needed for the attack. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 2,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 4.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 4.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 3.5,
"vectorString": "AV:L/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-367",
"description": "Time-of-check Time-of-use",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-362",
"description": "Race Condition",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-28T14:45:07.057Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-374498 | antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/374498"
},
{
"name": "VDB-374498 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/374498/cti"
},
{
"name": "CVE-2026-13502 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13502"
},
{
"name": "Submit #838685 | antlr ANTLR4 4.13.2 Unsafe Java Deserialization Maven Plugin",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838685"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/wooyun123/wooyun/issues/7"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-27T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-27T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:20.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-13502",
"datePublished": "2026-06-28T14:45:07.057Z",
"dateReserved": "2026-06-27T18:28:04.377Z",
"dateUpdated": "2026-06-28T14:45:07.057Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-13501 (GCVE-0-2026-13501)
Vulnerability from nvd – Published: 2026-06-28 14:30 – Updated: 2026-06-28 14:30
VLAI
Title
antlr ANTLR4 gofmt GoTarget.java GoTarget command injection
Summary
A security vulnerability has been detected in antlr ANTLR4 up to 4.13.2. Affected by this vulnerability is the function GoTarget of the file tool/src/org/antlr/v4/codegen/target/GoTarget.java of the component gofmt. The manipulation leads to command injection. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374496 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374496/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13501 | third-party-advisory |
| https://vuldb.com/submit/838569 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/6 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"gofmt"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in antlr ANTLR4 up to 4.13.2. Affected by this vulnerability is the function GoTarget of the file tool/src/org/antlr/v4/codegen/target/GoTarget.java of the component gofmt. The manipulation leads to command injection. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 4.3,
"vectorString": "AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-77",
"description": "Command Injection",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-28T14:30:08.236Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-374496 | antlr ANTLR4 gofmt GoTarget.java GoTarget command injection",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/374496"
},
{
"name": "VDB-374496 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/374496/cti"
},
{
"name": "CVE-2026-13501 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13501"
},
{
"name": "Submit #838569 | antlr ANTLR4 4.13.2 Command Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838569"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/wooyun123/wooyun/issues/6"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-27T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-27T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:15.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 gofmt GoTarget.java GoTarget command injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-13501",
"datePublished": "2026-06-28T14:30:08.236Z",
"dateReserved": "2026-06-27T18:28:01.063Z",
"dateUpdated": "2026-06-28T14:30:08.236Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-13500 (GCVE-0-2026-13500)
Vulnerability from nvd – Published: 2026-06-28 14:15 – Updated: 2026-06-28 14:15
VLAI
Title
antlr ANTLR4 Grammar Action Block OutputFile.java code injection
Summary
A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374495 | vdb-entry |
| https://vuldb.com/vuln/374495/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13500 | third-party-advisory |
| https://vuldb.com/submit/838568 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/4 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"Grammar Action Block Handler"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-94",
"description": "Code Injection",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-28T14:15:07.499Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-374495 | antlr ANTLR4 Grammar Action Block OutputFile.java code injection",
"tags": [
"vdb-entry"
],
"url": "https://vuldb.com/vuln/374495"
},
{
"name": "VDB-374495 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
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},
{
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"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13500"
},
{
"name": "Submit #838568 | antlr ANTLR4 4.13.2 Code Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838568"
},
{
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"url": "https://github.com/wooyun123/wooyun/issues/4"
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"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:12.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 Grammar Action Block OutputFile.java code injection"
}
},
"cveMetadata": {
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},
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}
CVE-2026-13503 (GCVE-0-2026-13503)
Vulnerability from cvelistv5 – Published: 2026-06-28 15:15 – Updated: 2026-06-28 15:15
VLAI
Title
antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal
Summary
A vulnerability was detected in antlr ANTLR4 up to 4.13.2. Affected by this issue is the function getImportedVocabFile of the file tool/src/org/antlr/v4/parse/TokenVocabParser.java of the component tokenVocab Grammar Option Handler. The manipulation results in path traversal. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
CWE
- CWE-22 - Path Traversal
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374497 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374497/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13503 | third-party-advisory |
| https://vuldb.com/submit/838686 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/8 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
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"tokenVocab Grammar Option Handler"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was detected in antlr ANTLR4 up to 4.13.2. Affected by this issue is the function getImportedVocabFile of the file tool/src/org/antlr/v4/parse/TokenVocabParser.java of the component tokenVocab Grammar Option Handler. The manipulation results in path traversal. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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},
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}
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}
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}
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"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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},
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{
"name": "VDB-374497 | antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/374497"
},
{
"name": "VDB-374497 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/374497/cti"
},
{
"name": "CVE-2026-13503 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13503"
},
{
"name": "Submit #838686 | antlr ANTLR4 4.13.2 Path Traversal tokenVocab File Read",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838686"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/wooyun123/wooyun/issues/8"
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"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:18.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 tokenVocab Grammar Option TokenVocabParser.java getImportedVocabFile path traversal"
}
},
"cveMetadata": {
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CVE-2026-13502 (GCVE-0-2026-13502)
Vulnerability from cvelistv5 – Published: 2026-06-28 14:45 – Updated: 2026-06-28 14:45
VLAI
Title
antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou
Summary
A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is restricted to local execution. A high degree of complexity is needed for the attack. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374498 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374498/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13502 | third-party-advisory |
| https://vuldb.com/submit/838685 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/7 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"Maven Plugin"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in antlr ANTLR4 up to 4.13.2. This affects the function ObjectInputStream.readObject of the file antlr4-maven-plugin/src/main/java/org/antlr/mojo/antlr4/GrammarDependencies.java of the component Maven Plugin. This manipulation causes time-of-check time-of-use. The attack is restricted to local execution. A high degree of complexity is needed for the attack. It is indicated that the exploitability is difficult. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 2,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 4.5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
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"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
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}
},
{
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"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-367",
"description": "Time-of-check Time-of-use",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-362",
"description": "Race Condition",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-28T14:45:07.057Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-374498 | antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/374498"
},
{
"name": "VDB-374498 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/374498/cti"
},
{
"name": "CVE-2026-13502 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13502"
},
{
"name": "Submit #838685 | antlr ANTLR4 4.13.2 Unsafe Java Deserialization Maven Plugin",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838685"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/wooyun123/wooyun/issues/7"
}
],
"timeline": [
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"lang": "en",
"time": "2026-06-27T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-27T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:20.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 Maven Plugin GrammarDependencies.java ObjectInputStream.readObject toctou"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"dateReserved": "2026-06-27T18:28:04.377Z",
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"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
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}
CVE-2026-13501 (GCVE-0-2026-13501)
Vulnerability from cvelistv5 – Published: 2026-06-28 14:30 – Updated: 2026-06-28 14:30
VLAI
Title
antlr ANTLR4 gofmt GoTarget.java GoTarget command injection
Summary
A security vulnerability has been detected in antlr ANTLR4 up to 4.13.2. Affected by this vulnerability is the function GoTarget of the file tool/src/org/antlr/v4/codegen/target/GoTarget.java of the component gofmt. The manipulation leads to command injection. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374496 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/374496/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13501 | third-party-advisory |
| https://vuldb.com/submit/838569 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/6 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"gofmt"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A security vulnerability has been detected in antlr ANTLR4 up to 4.13.2. Affected by this vulnerability is the function GoTarget of the file tool/src/org/antlr/v4/codegen/target/GoTarget.java of the component gofmt. The manipulation leads to command injection. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 4.8,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
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"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
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"baseScore": 5.3,
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"version": "3.0"
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},
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"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-77",
"description": "Command Injection",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-74",
"description": "Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-06-28T14:30:08.236Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-374496 | antlr ANTLR4 gofmt GoTarget.java GoTarget command injection",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/374496"
},
{
"name": "VDB-374496 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/374496/cti"
},
{
"name": "CVE-2026-13501 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/cve/CVE-2026-13501"
},
{
"name": "Submit #838569 | antlr ANTLR4 4.13.2 Command Injection",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/838569"
},
{
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"exploit",
"issue-tracking"
],
"url": "https://github.com/wooyun123/wooyun/issues/6"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-06-27T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-06-27T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-06-27T20:33:15.000Z",
"value": "VulDB entry last update"
}
],
"title": "antlr ANTLR4 gofmt GoTarget.java GoTarget command injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
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"dateReserved": "2026-06-27T18:28:01.063Z",
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"state": "PUBLISHED"
},
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}
CVE-2026-13500 (GCVE-0-2026-13500)
Vulnerability from cvelistv5 – Published: 2026-06-28 14:15 – Updated: 2026-06-28 14:15
VLAI
Title
antlr ANTLR4 Grammar Action Block OutputFile.java code injection
Summary
A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/374495 | vdb-entry |
| https://vuldb.com/vuln/374495/cti | signaturepermissions-required |
| https://vuldb.com/cve/CVE-2026-13500 | third-party-advisory |
| https://vuldb.com/submit/838568 | third-party-advisory |
| https://github.com/wooyun123/wooyun/issues/4 | exploitissue-tracking |
Impacted products
Credits
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:antlr:antlr4:*:*:*:*:*:*:*:*"
],
"modules": [
"Grammar Action Block Handler"
],
"product": "ANTLR4",
"vendor": "antlr",
"versions": [
{
"status": "affected",
"version": "4.13.0"
},
{
"status": "affected",
"version": "4.13.1"
},
{
"status": "affected",
"version": "4.13.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "jiazhou (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A weakness has been identified in antlr ANTLR4 up to 4.13.2. Affected is an unknown function of the file tool/src/org/antlr/v4/codegen/model/OutputFile.java of the component Grammar Action Block Handler. Executing a manipulation can lead to code injection. The attack may be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 7.3,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
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