{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-62268", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-13T17:09:57.574Z", "datePublished": "2026-11-05T20:28:48.031Z", "dateUpdated": "2026-11-05T20:28:48.031Z"}, "containers": {"cna": {"title": "borg extract might modify out-of-tree files when extracting maliciously crafted archives", "problemTypes": [{"descriptions": [{"cweId": "CWE-59", "lang": "en", "description": "CWE-59: Improper Link Resolution Before File Access ('Link Following')", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "LOCAL", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "HIGH", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/borgbackup/borg/security/advisories/GHSA-gfp8-w835-v44j", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/borgbackup/borg/security/advisories/GHSA-gfp8-w835-v44j"}, {"name": "https://github.com/borgbackup/borg/commit/0ac568e290518c3bbe781459978720dde7fab224", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/commit/0ac568e290518c3bbe781459978720dde7fab224"}, {"name": "https://github.com/borgbackup/borg/commit/141888f2fabcd57a300547c2aa63212cb213924d", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/commit/141888f2fabcd57a300547c2aa63212cb213924d"}, {"name": "https://github.com/borgbackup/borg/commit/2d632531028b09da8ab5d1450f89bebcc205d640", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/commit/2d632531028b09da8ab5d1450f89bebcc205d640"}, {"name": "https://github.com/borgbackup/borg/commit/3e9ed6d1ad6d3531b39c07b8ef3ecf41fce4437f", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/commit/3e9ed6d1ad6d3531b39c07b8ef3ecf41fce4437f"}, {"name": "https://github.com/borgbackup/borg/commit/4f37fdfed10b50559a0dd333b0d5581c642af329", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/commit/4f37fdfed10b50559a0dd333b0d5581c642af329"}, {"name": "https://github.com/borgbackup/borg/commit/d907f2cb57337041c4fa55ca4682895535e5076b", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/commit/d907f2cb57337041c4fa55ca4682895535e5076b"}, {"name": "https://github.com/borgbackup/borg/releases/tag/1.4.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/releases/tag/1.4.5"}, {"name": "https://github.com/borgbackup/borg/releases/tag/2.0.0b22", "tags": ["x_refsource_MISC"], "url": "https://github.com/borgbackup/borg/releases/tag/2.0.0b22"}], "affected": [{"vendor": "borgbackup", "product": "borg", "versions": [{"version": "< 1.4.5", "status": "affected"}, {"version": ">= 2.0.0b1, < 2.0.0b22", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-11-05T20:28:48.031Z"}, "descriptions": [{"lang": "en", "value": "borgbackup is an opensource, deduplicating archiver with compression and authenticated encryption. Prior to 1.4.5 and 2.0.0b22, extracting a malicious archive can follow a symlinked parent path or resolve embedded dot-dot path components and delete or overwrite files outside the extraction directory. A crafted slave hardlink can also use an attacker-controlled hardlink source outside the extraction directory and hard-link that file into the restored tree, disclosing its contents. Creating the malicious archive requires repository access and, for encrypted or authenticated repositories, the Borg key and passphrase; a victim must then extract the archive. This issue is fixed in versions 1.4.5 and 2.0.0b22."}], "source": {"advisory": "GHSA-gfp8-w835-v44j", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "borg", "vendor": "borgbackup", "versions": [{"status": "affected", "version": "< 1.4.5"}, {"status": "affected", "version": ">= 2.0.0b1, < 2.0.0b22"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "borgbackup is an opensource, deduplicating archiver with compression and authenticated encryption. Prior to 1.4.5 and 2.0.0b22, extracting a malicious archive can follow a symlinked parent path or resolve embedded dot-dot path components and delete or overwrite files outside the extraction directory. A crafted slave hardlink can also use an attacker-controlled hardlink source outside the extraction directory and hard-link that file into the restored tree, disclosing its contents. Creating the malicious archive requires repository access and, for encrypted or authenticated repositories, the Borg key and passphrase; a victim must then extract the archive. This issue is fixed in versions 1.4.5 and 2.0.0b22."}], "id": "CVE-2026-62268", "lastModified": "2026-11-05T21:18:52.133", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "ACTIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-11-05T21:18:52.133", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/commit/0ac568e290518c3bbe781459978720dde7fab224"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/commit/141888f2fabcd57a300547c2aa63212cb213924d"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/commit/2d632531028b09da8ab5d1450f89bebcc205d640"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/commit/3e9ed6d1ad6d3531b39c07b8ef3ecf41fce4437f"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/commit/4f37fdfed10b50559a0dd333b0d5581c642af329"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/commit/d907f2cb57337041c4fa55ca4682895535e5076b"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/releases/tag/1.4.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/releases/tag/2.0.0b22"}, {"source": "security-advisories@github.com", "url": "https://github.com/borgbackup/borg/security/advisories/GHSA-gfp8-w835-v44j"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}