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7 vulnerabilities by chatchat-space
CVE-2026-7847 (GCVE-0-2026-7847)
Vulnerability from cvelistv5 – Published: 2026-05-05 16:30 – Updated: 2026-05-05 16:30
VLAI?
Title
chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values
Summary
A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently random values. Access to the local network is required for this attack. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.1.0
Affected: 0.3.1.1 Affected: 0.3.1.2 Affected: 0.3.1.3 |
Credits
{
"containers": {
"cna": {
"affected": [
{
"modules": [
"Uploaded File Handler"
],
"product": "Langchain-Chatchat",
"vendor": "chatchat-space",
"versions": [
{
"status": "affected",
"version": "0.3.1.0"
},
{
"status": "affected",
"version": "0.3.1.1"
},
{
"status": "affected",
"version": "0.3.1.2"
},
{
"status": "affected",
"version": "0.3.1.3"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Dem00 (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in chatchat-space Langchain-Chatchat up to 0.3.1.3. The affected element is the function _get_file_id of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Uploaded File Handler. Performing a manipulation results in insufficiently random values. Access to the local network is required for this attack. The attack\u0027s complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 2.1,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 2.6,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 2.6,
"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
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"baseScore": 1.4,
"vectorString": "AV:A/AC:H/Au:S/C:P/I:N/A:N/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-330",
"description": "Insufficiently Random Values",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-310",
"description": "Cryptographic Issues",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-05T16:30:13.695Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-361126 | chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/361126"
},
{
"name": "VDB-361126 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/361126/cti"
},
{
"name": "Submit #807796 | chatchat-space Langchain-Chatchat 0.3.1.3 Use of Insufficiently Random Values / CWE-330",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/807796"
},
{
"tags": [
"issue-tracking"
],
"url": "https://github.com/chatchat-space/Langchain-Chatchat/issues/5464"
},
{
"tags": [
"exploit"
],
"url": "https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-3-Predictable-File-ID.md"
},
{
"tags": [
"product"
],
"url": "https://github.com/chatchat-space/Langchain-Chatchat/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-05-05T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-05-05T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-05-05T12:26:20.000Z",
"value": "VulDB entry last update"
}
],
"title": "chatchat-space Langchain-Chatchat Uploaded File openai_routes.py _get_file_id random values"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-7847",
"datePublished": "2026-05-05T16:30:13.695Z",
"dateReserved": "2026-05-05T10:21:00.280Z",
"dateUpdated": "2026-05-05T16:30:13.695Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-7846 (GCVE-0-2026-7846)
Vulnerability from cvelistv5 – Published: 2026-05-05 16:00 – Updated: 2026-05-05 16:11
VLAI?
Title
chatchat-space Langchain-Chatchat OpenAI-Compatible File Upload API openai_routes.py files toctou
Summary
A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to time-of-check time-of-use. Access to the local network is required for this attack to succeed. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.1.0
Affected: 0.3.1.1 Affected: 0.3.1.2 Affected: 0.3.1.3 |
Credits
{
"containers": {
"adp": [
{
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"timestamp": "2026-05-05T16:11:12.705106Z",
"version": "2.0.3"
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
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{
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"OpenAI-Compatible File Upload API"
],
"product": "Langchain-Chatchat",
"vendor": "chatchat-space",
"versions": [
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"version": "0.3.1.0"
},
{
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"version": "0.3.1.1"
},
{
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"version": "0.3.1.2"
},
{
"status": "affected",
"version": "0.3.1.3"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Dem00 (VulDB User)"
},
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"type": "coordinator",
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}
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"value": "A vulnerability has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. Impacted is the function files of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component OpenAI-Compatible File Upload API. Such manipulation of the argument file.filename leads to time-of-check time-of-use. Access to the local network is required for this attack to succeed. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
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"baseSeverity": "LOW",
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}
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{
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"version": "3.1"
}
},
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"baseSeverity": "LOW",
"vectorString": "CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 1.4,
"vectorString": "AV:A/AC:H/Au:S/C:N/I:P/A:N/E:POC/RL:ND/RC:UR",
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],
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"description": "Time-of-check Time-of-use",
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},
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"cweId": "CWE-362",
"description": "Race Condition",
"lang": "en",
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"references": [
{
"name": "VDB-361125 | chatchat-space Langchain-Chatchat OpenAI-Compatible File Upload API openai_routes.py files toctou",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/361125"
},
{
"name": "VDB-361125 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/361125/cti"
},
{
"name": "Submit #807795 | chatchat-space Langchain-Chatchat 0.3.1.3 TOCTOU Race Condition / CWE-367",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/807795"
},
{
"tags": [
"issue-tracking"
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"url": "https://github.com/chatchat-space/Langchain-Chatchat/issues/5463"
},
{
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"exploit"
],
"url": "https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-2-Silent-File-Overwrite.md"
},
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"product"
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"url": "https://github.com/chatchat-space/Langchain-Chatchat/"
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}
CVE-2026-7845 (GCVE-0-2026-7845)
Vulnerability from cvelistv5 – Published: 2026-05-05 15:45 – Updated: 2026-05-05 19:23
VLAI?
Title
chatchat-space Langchain-Chatchat Vision Chat Paste Image dialogue.py PIL.Image.tobytes weak hash
Summary
A flaw has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. This issue affects the function PIL.Image.tobytes of the file libs/chatchat-server/chatchat/webui_pages/dialogue/dialogue.py of the component Vision Chat Paste Image Handler. This manipulation of the argument paste_image.image_data causes use of weak hash. The attacker needs to be present on the local network. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.1.0
Affected: 0.3.1.1 Affected: 0.3.1.2 Affected: 0.3.1.3 |
Credits
{
"containers": {
"adp": [
{
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"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-05-05T17:48:07.236978Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
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"dateUpdated": "2026-05-05T19:23:08.834Z",
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"shortName": "CISA-ADP"
},
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],
"url": "https://github.com/chatchat-space/Langchain-Chatchat/issues/5462"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"modules": [
"Vision Chat Paste Image Handler"
],
"product": "Langchain-Chatchat",
"vendor": "chatchat-space",
"versions": [
{
"status": "affected",
"version": "0.3.1.0"
},
{
"status": "affected",
"version": "0.3.1.1"
},
{
"status": "affected",
"version": "0.3.1.2"
},
{
"status": "affected",
"version": "0.3.1.3"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Dem00 (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A flaw has been found in chatchat-space Langchain-Chatchat up to 0.3.1.3. This issue affects the function PIL.Image.tobytes of the file libs/chatchat-server/chatchat/webui_pages/dialogue/dialogue.py of the component Vision Chat Paste Image Handler. This manipulation of the argument paste_image.image_data causes use of weak hash. The attacker needs to be present on the local network. The attack is considered to have high complexity. The exploitability is assessed as difficult. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
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"version": "4.0"
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"vectorString": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R",
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"description": "Use of Weak Hash",
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"description": "Risky Cryptographic Algorithm",
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"providerMetadata": {
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{
"name": "VDB-361124 | chatchat-space Langchain-Chatchat Vision Chat Paste Image dialogue.py PIL.Image.tobytes weak hash",
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"vdb-entry",
"technical-description"
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"url": "https://vuldb.com/vuln/361124"
},
{
"name": "VDB-361124 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/361124/cti"
},
{
"name": "Submit #807794 | chatchat-space Langchain-Chatchat 0.3.1.3 Weak Hash / CWE-328",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/807794"
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"tags": [
"issue-tracking"
],
"url": "https://github.com/chatchat-space/Langchain-Chatchat/issues/5462"
},
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"exploit"
],
"url": "https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-1-tobytes-Hash-Collision.md"
},
{
"tags": [
"product"
],
"url": "https://github.com/chatchat-space/Langchain-Chatchat/"
}
],
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"time": "2026-05-05T00:00:00.000Z",
"value": "Advisory disclosed"
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"value": "VulDB entry created"
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{
"lang": "en",
"time": "2026-05-05T12:26:13.000Z",
"value": "VulDB entry last update"
}
],
"title": "chatchat-space Langchain-Chatchat Vision Chat Paste Image dialogue.py PIL.Image.tobytes weak hash"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-7845",
"datePublished": "2026-05-05T15:45:12.138Z",
"dateReserved": "2026-05-05T10:20:53.591Z",
"dateUpdated": "2026-05-05T19:23:08.834Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
CVE-2026-7844 (GCVE-0-2026-7844)
Vulnerability from cvelistv5 – Published: 2026-05-05 15:00 – Updated: 2026-05-05 15:00
VLAI?
Title
chatchat-space Langchain-Chatchat Compatible File Service openai_routes.py delete_file missing authentication
Summary
A vulnerability was detected in chatchat-space Langchain-Chatchat up to 0.3.1.3. This vulnerability affects the function files/list_files/retrieve_file/retrieve_file_content/delete_file of the file libs/chatchat-server/chatchat/server/api_server/openai_routes.py of the component Compatible File Service. The manipulation results in missing authentication. The attacker must have access to the local network to execute the attack. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity ?
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.1.0
Affected: 0.3.1.1 Affected: 0.3.1.2 Affected: 0.3.1.3 |
Credits
{
"containers": {
"cna": {
"affected": [
{
"modules": [
"Compatible File Service"
],
"product": "Langchain-Chatchat",
"vendor": "chatchat-space",
"versions": [
{
"status": "affected",
"version": "0.3.1.0"
},
{
"status": "affected",
"version": "0.3.1.1"
},
{
"status": "affected",
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CVE-2025-6855 (GCVE-0-2025-6855)
Vulnerability from cvelistv5 – Published: 2025-06-29 09:00 – Updated: 2025-06-30 16:04
VLAI?
Title
chatchat-space Langchain-Chatchat file path traversal
Summary
A vulnerability, which was classified as critical, has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This issue affects some unknown processing of the file /v1/file. The manipulation of the argument flag leads to path traversal. The exploit has been disclosed to the public and may be used.
Severity ?
CWE
- CWE-22 - Path Traversal
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.0
Affected: 0.3.1 |
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CVE-2025-6854 (GCVE-0-2025-6854)
Vulnerability from cvelistv5 – Published: 2025-06-29 08:31 – Updated: 2025-06-30 15:57
VLAI?
Title
chatchat-space Langchain-Chatchat files path traversal
Summary
A vulnerability classified as problematic was found in chatchat-space Langchain-Chatchat up to 0.3.1. This vulnerability affects unknown code of the file /v1/files?purpose=assistants. The manipulation leads to path traversal. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.
Severity ?
CWE
- CWE-22 - Path Traversal
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.0
Affected: 0.3.1 |
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CVE-2025-6853 (GCVE-0-2025-6853)
Vulnerability from cvelistv5 – Published: 2025-06-29 07:31 – Updated: 2025-06-30 15:44
VLAI?
Title
chatchat-space Langchain-Chatchat Backend upload_temp_docs path traversal
Summary
A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Severity ?
CWE
- CWE-22 - Path Traversal
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| chatchat-space | Langchain-Chatchat |
Affected:
0.3.0
Affected: 0.3.1 |
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"time": "2025-06-28T12:43:05.000Z",
"value": "VulDB entry last update"
}
],
"title": "chatchat-space Langchain-Chatchat Backend upload_temp_docs path traversal"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2025-6853",
"datePublished": "2025-06-29T07:31:05.027Z",
"dateReserved": "2025-06-28T10:37:51.109Z",
"dateUpdated": "2025-06-30T15:44:45.431Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}