{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-77401", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-08-20T19:55:27.023Z", "datePublished": "2026-09-16T14:28:01.186Z", "dateUpdated": "2026-09-16T18:35:46.823Z"}, "containers": {"cna": {"title": "Zope AccessControl: Information disclosure through Python string `format` and `format_map` functions", "problemTypes": [{"descriptions": [{"cweId": "CWE-693", "lang": "en", "description": "CWE-693: Protection Mechanism Failure", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-pq59-9fq7-m886", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-pq59-9fq7-m886"}, {"name": "https://github.com/zopefoundation/AccessControl/commit/f980450eea416718be62847f34dfd51822938e43", "tags": ["x_refsource_MISC"], "url": "https://github.com/zopefoundation/AccessControl/commit/f980450eea416718be62847f34dfd51822938e43"}, {"name": "https://github.com/zopefoundation/AccessControl/releases/tag/7.4", "tags": ["x_refsource_MISC"], "url": "https://github.com/zopefoundation/AccessControl/releases/tag/7.4"}], "affected": [{"vendor": "zopefoundation", "product": "AccessControl", "versions": [{"version": "< 7.4", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-16T14:28:01.186Z"}, "descriptions": [{"lang": "en", "value": "Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.format_map when those methods are reached through a str subclass. In both ImplPython.py and cAccessControl.c, Python formatting can recursively access attributes and subscriptions using unrestricted getattr and getitem behavior instead of the policy-restricted getattr and getitem operations. A controlled format string can therefore disclose objects reachable from values available to the formatting operation. This issue is fixed in version 7.4."}], "source": {"advisory": "GHSA-pq59-9fq7-m886", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-16T18:18:37.466466Z", "id": "CVE-2026-77401", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-16T18:35:46.823Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-77401", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-16T18:18:37.466466Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-16T18:18:38.610Z"}}], "cna": {"title": "Zope AccessControl: Information disclosure through Python string `format` and `format_map` functions", "source": {"advisory": "GHSA-pq59-9fq7-m886", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "zopefoundation", "product": "AccessControl", "versions": [{"status": "affected", "version": "< 7.4"}]}], "references": [{"url": "https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-pq59-9fq7-m886", "name": "https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-pq59-9fq7-m886", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/zopefoundation/AccessControl/commit/f980450eea416718be62847f34dfd51822938e43", "name": "https://github.com/zopefoundation/AccessControl/commit/f980450eea416718be62847f34dfd51822938e43", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/zopefoundation/AccessControl/releases/tag/7.4", "name": "https://github.com/zopefoundation/AccessControl/releases/tag/7.4", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.format_map when those methods are reached through a str subclass. In both ImplPython.py and cAccessControl.c, Python formatting can recursively access attributes and subscriptions using unrestricted getattr and getitem behavior instead of the policy-restricted getattr and getitem operations. A controlled format string can therefore disclose objects reachable from values available to the formatting operation. This issue is fixed in version 7.4."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-693", "description": "CWE-693: Protection Mechanism Failure"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-16T14:28:01.186Z"}}}, "cveMetadata": {"cveId": "CVE-2026-77401", "state": "PUBLISHED", "dateUpdated": "2026-09-16T18:35:46.823Z", "dateReserved": "2026-08-20T19:55:27.023Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-09-16T14:28:01.186Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "AccessControl", "vendor": "zopefoundation", "versions": [{"status": "affected", "version": "< 7.4"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Zope AccessControl provides a general security framework for use in Zope. Prior to 7.4, applications that allow untrusted users to create and execute AccessControl-controlled Python code do not safely guard str.format and str.format_map when those methods are reached through a str subclass. In both ImplPython.py and cAccessControl.c, Python formatting can recursively access attributes and subscriptions using unrestricted getattr and getitem behavior instead of the policy-restricted getattr and getitem operations. A controlled format string can therefore disclose objects reachable from values available to the formatting operation. This issue is fixed in version 7.4."}], "id": "CVE-2026-77401", "lastModified": "2026-09-30T17:43:24.057", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-77401", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-16T18:18:37.466466Z", "version": "2.0.3"}}]}, "published": "2026-09-16T15:17:46.617", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/zopefoundation/AccessControl/commit/f980450eea416718be62847f34dfd51822938e43"}, {"source": "security-advisories@github.com", "url": "https://github.com/zopefoundation/AccessControl/releases/tag/7.4"}, {"source": "security-advisories@github.com", "url": "https://github.com/zopefoundation/AccessControl/security/advisories/GHSA-pq59-9fq7-m886"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-693"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}