CVE-2023-26118 (GCVE-0-2023-26118)
Vulnerability from cvelistv5 – Published: 2023-03-30 05:00 – Updated: 2025-11-03 19:28
VLAI
EPSS
VEX
Summary
Versions of the package angular from 1.4.9 are vulnerable to Regular Expression Denial of Service (ReDoS) via the <input type="url"> element due to the usage of an insecure regular expression in the input[url] functionality. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in catastrophic backtracking.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-14 15:37 UTC
CWE
Assigner
References
8 references
Impacted products
4 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | angular |
Affected:
1.4.9 , < *
(semver)
|
||
| n/a | org.webjars.bower:angular |
Affected:
1.4.9 , < *
(semver)
|
||
| n/a | org.webjars.npm:angular |
Affected:
1.4.9 , < *
(semver)
|
||
| n/a | org.webjars.bowergithub.angular:angular |
Affected:
0 , < *
(semver)
|
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"value": "CWE-1333"
}
],
"source": "report@snyk.io",
"type": "Secondary"
},
{
"description": [
{
"lang": "en",
"value": "CWE-1333"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
},
{
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}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-07-03T01:51:04+00:00",
"cve": "CVE-2023-26118",
"id": "CVE-2023-26118",
"initial_release_date": "2023-03-30T00:00:00+00:00",
"product_status:known_affected": "37",
"product_status:known_not_affected": "34",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "angularjs: Regular Expression Denial of Service via the \u003cinput type=\"url\"\u003e element",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-26118.json",
"version": "3"
},
"vulnrichment": {
"containers": {
"adp": [
{
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"url": "https://security.snyk.io/vuln/SNYK-JS-ANGULAR-3373046"
},
{
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],
"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-5406326"
},
{
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"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406327"
},
{
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"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406328"
},
{
"tags": [
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],
"url": "https://stackblitz.com/edit/angularjs-vulnerability-inpur-url-validation-redos"
},
{
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQWJLE5WE33WNMA54XSJIDXBRK2KL3XJ/"
},
{
"tags": [
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],
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K/"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2025/07/msg00005.html"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2023-26118",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2025-02-14T15:37:33.331520Z",
"version": "2.0.3"
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"title": "CISA ADP Vulnrichment"
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],
"cna": {
"affected": [
{
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"vendor": "n/a",
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},
{
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{
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{
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"credits": [
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{
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}
],
"descriptions": [
{
"lang": "en",
"value": "Versions of the package angular from 1.4.9 are vulnerable to Regular Expression Denial of Service (ReDoS) via the \u003cinput type=\"url\"\u003e element due to the usage of an insecure regular expression in the input[url] functionality. Exploiting this vulnerability is possible by a large carefully-crafted input, which can result in catastrophic backtracking."
}
],
"metrics": [
{
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"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "LOW",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P",
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"description": "Regular Expression Denial of Service (ReDoS)",
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],
"providerMetadata": {
"dateUpdated": "2023-11-03T20:07:39.373Z",
"orgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
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},
"references": [
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{
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},
{
"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-5406327"
},
{
"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBANGULAR-5406328"
},
{
"url": "https://stackblitz.com/edit/angularjs-vulnerability-inpur-url-validation-redos"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/OQWJLE5WE33WNMA54XSJIDXBRK2KL3XJ/"
},
{
"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UDKFLKJ6VZKL52AFVW2OVZRMJWHMW55K/"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "bae035ff-b466-4ff4-94d0-fc9efd9e1730",
"assignerShortName": "snyk",
"cveId": "CVE-2023-26118",
"datePublished": "2023-03-30T05:00:02.352Z",
"dateReserved": "2023-02-20T10:28:48.923Z",
"dateUpdated": "2025-11-03T19:28:08.698Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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