CVE-2026-26276

Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository’s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2.

CVSS v3 7.3 HIGH

7.3^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.1 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/gogs/gogs/pull/8178	Issue Tracking
https://github.com/gogs/gogs/releases/tag/v0.14.2	Release Notes
https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*

History

17 Jun 2026, 10:26

Type	Values Removed	Values Added
Summary		(es) Gogs es un servicio Git autoalojado de código abierto. Antes de la versión 0.14.2, un atacante puede almacenar una carga útil HTML/JavaScript en el nombre de un Hito de repositorio, y cuando otro usuario selecciona ese Hito en la página de Nueva Incidencia (/issues/new), se activa un XSS basado en DOM. Este problema ha sido parcheado en la versión 0.14.2.

05 Mar 2026, 22:00

Type	Values Removed	Values Added
References	~~() https://github.com/gogs/gogs/pull/8178 -~~	() https://github.com/gogs/gogs/pull/8178 - Issue Tracking
References	~~() https://github.com/gogs/gogs/releases/tag/v0.14.2 -~~	() https://github.com/gogs/gogs/releases/tag/v0.14.2 - Release Notes
References	~~() https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c -~~	() https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c - Vendor Advisory
First Time		Gogs Gogs gogs
CPE		cpe:2.3:a:gogs:gogs::::::::

05 Mar 2026, 19:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-05 19:16

Updated : 2026-06-17 10:26

NVD link : CVE-2026-26276

Mitre link : CVE-2026-26276

CVE.ORG link : CVE-2026-26276

JSON object : View

Products Affected

gogs

gogs

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2026-26276", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-26276", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-03-06T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 2.1}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.3}]}, "affected": [{"source": "security-advisories@github.com", "affectedData": [{"vendor": "gogs", "product": "gogs", "versions": [{"status": "affected", "version": "< 0.14.2"}]}]}], "published": "2026-03-05T19:16:04.373", "references": [{"url": "https://github.com/gogs/gogs/pull/8178", "tags": ["Issue Tracking"], "source": "security-advisories@github.com"}, {"url": "https://github.com/gogs/gogs/releases/tag/v0.14.2", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/gogs/gogs/security/advisories/GHSA-vgjm-2cpf-4g7c", "tags": ["Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Gogs is an open source self-hosted Git service. Prior to version 0.14.2, an attacker can store an HTML/JavaScript payload in a repository\u2019s Milestone name, and when another user selects that Milestone on the New Issue page (/issues/new), a DOM-Based XSS is triggered. This issue has been patched in version 0.14.2."}, {"lang": "es", "value": "Gogs es un servicio Git autoalojado de c\u00f3digo abierto. Antes de la versi\u00f3n 0.14.2, un atacante puede almacenar una carga \u00fatil HTML/JavaScript en el nombre de un Hito de repositorio, y cuando otro usuario selecciona ese Hito en la p\u00e1gina de Nueva Incidencia (/issues/new), se activa un XSS basado en DOM. Este problema ha sido parcheado en la versi\u00f3n 0.14.2."}], "lastModified": "2026-06-17T10:26:01.823", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gogs:gogs:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "0EDBB1E3-57E4-4560-A44F-7C54FD21C8B9", "versionEndExcluding": "0.14.2"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}