CVE-2025-26625

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{"affected": [{"affectedData": [{"product": "git-lfs", "vendor": "git-lfs", "versions": [{"status": "affected", "version": ">= 0.5.2, < 3.7.1"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Git LFS is a Git extension for versioning large files. In Git LFS versions 0.5.2 through 3.7.0, when populating a Git repository's working tree with the contents of Git LFS objects, certain Git LFS commands may write to files visible outside the current Git working tree if symbolic or hard links exist which collide with the paths of files tracked by Git LFS. The git lfs checkout and git lfs pull commands do not check for symbolic links before writing to files in the working tree, allowing an attacker to craft a repository containing symbolic or hard links that cause Git LFS to write to arbitrary file system locations accessible to the user running these commands. As well, when the git lfs checkout and git lfs pull commands are run in a bare repository, they could write to files visible outside the repository. The vulnerability is fixed in version 3.7.1. As a workaround, support for symlinks in Git may be disabled by setting the core.symlinks configuration option to false, after which further clones and fetches will not create symbolic links. However, any symbolic or hard links in existing repositories will still provide the opportunity for Git LFS to write to their targets."}, {"lang": "es", "value": "Git LFS es una extensi\u00f3n de Git para el control de versiones de archivos grandes. En las versiones de Git LFS de la 0.5.2 a la 3.7.0, al poblar el \u00e1rbol de trabajo de un repositorio Git con el contenido de objetos Git LFS, ciertos comandos de Git LFS pueden escribir en archivos visibles fuera del \u00e1rbol de trabajo de Git actual si existen enlaces simb\u00f3licos o duros que colisionan con las rutas de los archivos rastreados por Git LFS. Los comandos git lfs checkout y git lfs pull no verifican la existencia de enlaces simb\u00f3licos antes de escribir en archivos en el \u00e1rbol de trabajo, permitiendo a un atacante crear un repositorio que contenga enlaces simb\u00f3licos o duros que hagan que Git LFS escriba en ubicaciones arbitrarias del sistema de archivos accesibles para el usuario que ejecuta estos comandos. Adem\u00e1s, cuando los comandos git lfs checkout y git lfs pull se ejecutan en un repositorio bare, podr\u00edan escribir en archivos visibles fuera del repositorio. La vulnerabilidad est\u00e1 corregida en la versi\u00f3n 3.7.1. Como soluci\u00f3n alternativa, el soporte para symlinks en Git puede deshabilitarse configurando la opci\u00f3n de configuraci\u00f3n core.symlinks en false, despu\u00e9s de lo cual las futuras clonaciones y recuperaciones no crear\u00e1n enlaces simb\u00f3licos. Sin embargo, cualquier enlace simb\u00f3lico o duro en los repositorios existentes a\u00fan proporcionar\u00e1 la oportunidad para que Git LFS escriba en sus destinos."}], "id": "CVE-2025-26625", "lastModified": "2026-10-21T10:16:53.207", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "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": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-26625", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-10-17T15:44:04.948544Z", "version": "2.0.3"}}]}, "published": "2025-10-17T16:15:37.260", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/git-lfs/git-lfs/commit/0cffe93176b870055c9dadbb3cc9a4a440e98396"}, {"source": "security-advisories@github.com", "url": "https://github.com/git-lfs/git-lfs/commit/5c11ffce9a4f095ff356bc781e2a031abb46c1a8"}, {"source": "security-advisories@github.com", "url": "https://github.com/git-lfs/git-lfs/commit/d02bd13f02ef76f6807581cd6b34709069cb3615"}, {"source": "security-advisories@github.com", "url": "https://github.com/git-lfs/git-lfs/releases/tag/v3.7.1"}, {"source": "security-advisories@github.com", "url": "https://github.com/git-lfs/git-lfs/security/advisories/GHSA-6pvw-g552-53c5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2026/05/msg00055.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2026/10/msg00040.html"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-59"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "git-lfs: Git LFS may write to arbitrary files via crafted symlinks", "id": "2404720", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2404720"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-59", "details": ["A flaw was found in Git LFS. Running git lfs checkout and git lfs pull in a specially crafted repository, specifically with symbolic or hard links tracked by Git LFS and pointing to files outside the working tree or in a bare repository, can cause Git LFS to write to arbitrary file system locations accessible to the user running these commands."], "mitigation": {"lang": "en:us", "value": "To prevent the creation of symbolic links when cloning or fetching a repository, the core.symlinks configuration option can be set to false, mitigating this vulnerability for new repositories. However, existing repositories containing symbolic or hard links are still vulnerable to this issue.\nUse the following command to set the core.symlinks configuration option to false:\n~~~\ngit config --global core.symlinks false\n~~~"}, "name": "CVE-2025-26625", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "git-lfs", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "git-lfs", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "git-lfs", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-17T15:30:14Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-26625\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-26625\nhttps://github.com/git-lfs/git-lfs/commit/0cffe93176b870055c9dadbb3cc9a4a440e98396\nhttps://github.com/git-lfs/git-lfs/commit/5c11ffce9a4f095ff356bc781e2a031abb46c1a8\nhttps://github.com/git-lfs/git-lfs/commit/d02bd13f02ef76f6807581cd6b34709069cb3615\nhttps://github.com/git-lfs/git-lfs/releases/tag/v3.7.1\nhttps://github.com/git-lfs/git-lfs/security/advisories/GHSA-6pvw-g552-53c5"], "statement": "This vulnerability can cause Git LFS to write to arbitrary file system locations accessible to the user running git lfs checkout and git lfs pull. These commands are typically run by regular users without special access to system files, limiting the impact of this issue.", "threat_severity": "Important"}

{"created": "2025-10-20T13:22:02.904680+00:00", "updated": "2025-10-20T13:22:02.904706+00:00", "vendors": ["git-lfs", "git-lfs$PRODUCT$git-lfs"]}