CVE-2026-25232

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This vulnerability in the DeleteBranchPost function eenables privilege escalation from Write to Admin level, allowing low-privilege users to perform dangerous operations that should be restricted to administrators only. Although Git Hook layer correctly prevents protected branch deletion via SSH push, the web interface deletion operation does not trigger Git Hooks, resulting in complete bypass of protection mechanisms. In oder to exploit this vulnerability, attackers must have write permissions to the target repository, protected branches configured to the target repository and access to the Gogs web interface. This issue has been fixed in version 0.14.1."}, {"lang": "es", "value": "Gogs es un servicio Git de c\u00f3digo abierto autoalojado. Las versiones 0.13.4 e inferiores tienen una vulnerabilidad de omisi\u00f3n de control de acceso que permite a cualquier colaborador del repositorio con permisos de escritura eliminar ramas protegidas (incluida la rama predeterminada) enviando una solicitud POST directa, omitiendo completamente el mecanismo de protecci\u00f3n de ramas. Esta vulnerabilidad en la funci\u00f3n DeleteBranchPost permite la escalada de privilegios de nivel de escritura a nivel de administrador, permitiendo a usuarios con pocos privilegios realizar operaciones peligrosas que deber\u00edan estar restringidas solo a administradores. Aunque la capa de Git Hook previene correctamente la eliminaci\u00f3n de ramas protegidas a trav\u00e9s de push SSH, la operaci\u00f3n de eliminaci\u00f3n de la interfaz web no activa los Git Hooks, lo que resulta en una omisi\u00f3n completa de los mecanismos de protecci\u00f3n. Para explotar esta vulnerabilidad, los atacantes deben tener permisos de escritura en el repositorio objetivo, ramas protegidas configuradas en el repositorio objetivo y acceso a la interfaz web de Gogs. Este problema ha sido solucionado en la versi\u00f3n 0.14.1."}], "id": "CVE-2026-25232", "lastModified": "2026-06-17T10:24:20.827", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.1, "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/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": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-25232", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-02-19T17:04:55.043252Z", "version": "2.0.3"}}]}, "published": "2026-02-19T07:17:45.520", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/gogs/gogs/commit/7b7e38c88007a7c482dbf31efff896185fd9b79c"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/gogs/gogs/pull/8124"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/gogs/gogs/releases/tag/v0.14.1"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/gogs/gogs/security/advisories/GHSA-2c6v-8r3v-gh6p"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.14.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "gogs", "source": "cna", "vendor": "gogs"}, "product": "gogs", "vendor": "gogs"}], "analysis": {"en": {"generated_at": "2026-04-18T11:52:16.557042+00:00", "value": {"mitigation_remediation": ["Upgrade the Gogs installation to version 0.14.1 or later, which removes the DeleteBranchPost bypass.", "Re\u2011evaluate repository permissions so that only administrators retain delete rights for protected branches, limiting write permissions to collaborators who should not have such power.", "Monitor web server logs for DeleteBranchPost requests targeting protected branches and investigate any unauthorized attempts."], "summary": {"action": "Immediate Patch", "impact": "Privilege Escalation via Protected Branch Deletion"}, "threat_synthesis": {"affected_systems": "The vulnerability affects Gogs repositories hosted on the open source Gogs platform. All instances running version 0.13.4 or earlier are susceptible. The fix is available in the 0.14.1 release. Administrators must check their Gogs installation version and update if it falls within the vulnerable range.", "description_and_impact": "Gogs versions 0.13.4 and older contain a flaw in the DeleteBranchPost handler that allows any repository collaborator with write access to delete protected branches, including the default branch, by sending a direct POST request. The vulnerability bypasses the branch protection mechanism, elevating a write\u2011level user to administrator level functionality. The exploitation does not involve external code injection or arbitrary code execution; instead it permits unauthorized modification of repository history and deletion of critical branches.", "risk_and_exploitability": "The CVSS base score is 7.1, indicating a high severity vulnerability. The EPSS score is reported as less than 1%, meaning the probability of exploitation is very low but not zero. The vulnerability is not listed in the CISA KEV catalog, suggesting no documented active exploits. An attacker must own write access to a repository that has protected branches and must be able to access the Gogs web interface. When these conditions are met, an exploit can be executed with a single POST request, providing the attacker with privileged abilities normally reserved for administrators."}}}}, "created": "2026-02-19T10:07:50.968352+00:00", "updated": "2026-04-18T12:00:05.886029+00:00", "vendors": ["gogs", "gogs$PRODUCT$gogs"]}