{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-115906", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-23T20:21:45.106Z", "datePublished": "2026-10-26T16:30:30.954Z", "dateUpdated": "2026-10-26T16:30:30.954Z"}, "containers": {"cna": {"title": "zip: AES Entry HMAC Authentication Bypass on Premature EOF", "problemTypes": [{"descriptions": [{"cweId": "CWE-354", "lang": "en", "description": "CWE-354: Improper Validation of Integrity Check Value", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-1284", "lang": "en", "description": "CWE-1284: Improper Validation of Specified Quantity in Input", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/zip-rs/zip2/security/advisories/GHSA-8hxf-qr8p-62x4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/zip-rs/zip2/security/advisories/GHSA-8hxf-qr8p-62x4"}, {"name": "https://github.com/zip-rs/zip2/commit/ec265db0b0602f8ffb9479327397bddefb7e2216", "tags": ["x_refsource_MISC"], "url": "https://github.com/zip-rs/zip2/commit/ec265db0b0602f8ffb9479327397bddefb7e2216"}, {"name": "https://github.com/zip-rs/zip2/releases/tag/v9.0.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/zip-rs/zip2/releases/tag/v9.0.0"}], "affected": [{"vendor": "zip-rs", "product": "zip2", "versions": [{"version": ">= 0.6.0, < 9.0.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-26T16:30:30.954Z"}, "descriptions": [{"lang": "en", "value": "zip is a zip library for Rust that supports reading and writing simple ZIP files. From 0.6.0 until 9.0.0, the AES entry reader in src/aes.rs verifies its HMAC only when the attacker-controlled data counter reaches zero. If the underlying bounded reader reaches the real end of the archive while data_remaining is still positive, or if an encrypted entry has no payload, the reader can return a clean end of stream without reading and comparing the authentication tag. Applications using by_index_decrypt, by_name_decrypt, by_path_decrypt, or password-enabled by_index_with_options can therefore accept modified plaintext without an authentication error. This issue is fixed in version 9.0.0."}], "source": {"advisory": "GHSA-8hxf-qr8p-62x4", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "zip2", "vendor": "zip-rs", "versions": [{"status": "affected", "version": ">= 0.6.0, < 9.0.0"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "zip is a zip library for Rust that supports reading and writing simple ZIP files. From 0.6.0 until 9.0.0, the AES entry reader in src/aes.rs verifies its HMAC only when the attacker-controlled data counter reaches zero. If the underlying bounded reader reaches the real end of the archive while data_remaining is still positive, or if an encrypted entry has no payload, the reader can return a clean end of stream without reading and comparing the authentication tag. Applications using by_index_decrypt, by_name_decrypt, by_path_decrypt, or password-enabled by_index_with_options can therefore accept modified plaintext without an authentication error. This issue is fixed in version 9.0.0."}], "id": "CVE-2026-115906", "lastModified": "2026-10-26T18:39:42.503", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-26T17:17:17.993", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/zip-rs/zip2/commit/ec265db0b0602f8ffb9479327397bddefb7e2216"}, {"source": "security-advisories@github.com", "url": "https://github.com/zip-rs/zip2/releases/tag/v9.0.0"}, {"source": "security-advisories@github.com", "url": "https://github.com/zip-rs/zip2/security/advisories/GHSA-8hxf-qr8p-62x4"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-354"}, {"lang": "en", "value": "CWE-1284"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"created": "2026-10-26T18:00:08.932068+00:00", "updated": "2026-10-26T18:00:08.932074+00:00", "vendors": []}