CVE-2025-9556

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-9556", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2025-08-27T18:10:47.686Z", "datePublished": "2025-09-12T13:45:14.684Z", "dateUpdated": "2025-11-03T18:14:18.939Z"}, "containers": {"cna": {"title": "CVE-2025-9556", "descriptions": [{"lang": "en", "value": "Langchaingo supports the use of jinja2 syntax when parsing prompts, which is in turn parsed using the gonja library v1.5.3.\r\nGonja supports include and extends syntax to read files, which leads to a server side template injection vulnerability within langchaingo, allowing an attacker to insert a statement into a prompt to read the \"etc/passwd\" file."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Langchaingo", "product": "Langchaingo", "versions": [{"status": "affected", "version": "0.1.14"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "references": [{"url": "https://github.com/tmc/langchaingo/security/advisories/GHSA-mgcj-g55g-rf6h"}, {"url": "https://github.com/tmc/langchaingo/pull/1348"}], "x_generator": {"engine": "VINCE 3.0.25", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2025-9556"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2025-09-12T13:45:14.684Z"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2025-09-12T14:00:53.431491Z", "id": "CVE-2025-9556", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-12T14:01:03.976Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://www.kb.cert.org/vuls/id/949137"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T18:14:18.939Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.kb.cert.org/vuls/id/949137"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T18:14:18.939Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-9556", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-09-12T14:00:53.431491Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-09-12T14:00:48.283Z"}}], "cna": {"title": "CVE-2025-9556", "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Langchaingo", "product": "Langchaingo", "versions": [{"status": "affected", "version": "0.1.14"}]}], "references": [{"url": "https://github.com/tmc/langchaingo/security/advisories/GHSA-mgcj-g55g-rf6h"}, {"url": "https://github.com/tmc/langchaingo/pull/1348"}], "x_generator": {"env": "prod", "engine": "VINCE 3.0.25", "origin": "https://cveawg.mitre.org/api/cve/CVE-2025-9556"}, "descriptions": [{"lang": "en", "value": "Langchaingo supports the use of jinja2 syntax when parsing prompts, which is in turn parsed using the gonja library v1.5.3.\r\nGonja supports include and extends syntax to read files, which leads to a server side template injection vulnerability within langchaingo, allowing an attacker to insert a statement into a prompt to read the \"etc/passwd\" file."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-200 Exposure of Sensitive Information to an Unauthorized Actor"}]}], "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2025-09-12T13:45:14.684Z"}}}, "cveMetadata": {"cveId": "CVE-2025-9556", "state": "PUBLISHED", "dateUpdated": "2025-11-03T18:14:18.939Z", "dateReserved": "2025-08-27T18:10:47.686Z", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "datePublished": "2025-09-12T13:45:14.684Z", "assignerShortName": "certcc"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Langchaingo", "vendor": "Langchaingo", "versions": [{"status": "affected", "version": "0.1.14"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Langchaingo supports the use of jinja2 syntax when parsing prompts, which is in turn parsed using the gonja library v1.5.3.\r\nGonja supports include and extends syntax to read files, which leads to a server side template injection vulnerability within langchaingo, allowing an attacker to insert a statement into a prompt to read the \"etc/passwd\" file."}, {"lang": "es", "value": "Langchaingo soporta el uso de la sintaxis jinja2 al analizar las indicaciones, que a su vez es analizada usando la biblioteca gonja v1.5.3. Gonja soporta la sintaxis include y extends para leer archivos, lo que lleva a una vulnerabilidad de inyecci\u00f3n de plantillas del lado del servidor dentro de langchaingo, permitiendo a un atacante insertar una declaraci\u00f3n en una indicaci\u00f3n para leer el archivo 'etc/passwd'."}], "id": "CVE-2025-9556", "lastModified": "2026-10-19T17:10:00.173", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-9556", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-09-12T14:00:53.431491Z", "version": "2.0.3"}}]}, "published": "2025-09-12T14:15:42.300", "references": [{"source": "cret@cert.org", "url": "https://github.com/tmc/langchaingo/pull/1348"}, {"source": "cret@cert.org", "url": "https://github.com/tmc/langchaingo/security/advisories/GHSA-mgcj-g55g-rf6h"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://www.kb.cert.org/vuls/id/949137"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Deferred"}

{}

{"created": "2025-09-15T10:43:46.782817+00:00", "updated": "2025-09-15T10:43:46.782884+00:00", "vendors": ["langchain", "langchain$PRODUCT$langchain"]}