CVE-2026-27775

Gitea pre-receive hook permission cache allows full repository write access

En bref

Sévérité: HIGH 8.8
EPSS: EPSS 0.91 % · centile 60 (2026-10-28)
État: PUBLISHED
Publiée: 2026-07-03
Mise à jour: 2026-07-06
Attribuée par: Gitea
Statut NVD: Deferred

Description

Gitea 1.25.5 caches a branch-specific write-permission result across multiple refs in one pre-receive hook session, allowing a per-branch maintainer-edit grant to be reused for other refs and escalate to full repository write access.

Scores

Version	Score	Vecteur	Évalué par
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	CISA-ADP
CVSS 3.1	HIGH 8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Faiblesses (CWE)

CWE-863

Avis

GHSA-649p-mmhf-85c7 — Gitea: Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write
GO-2026-6043 — Gitea: Cached Per-Branch Permission Check in Pre-Receive Hook Allows Full Repository Write in code.gitea.io/gitea

Références européennes

ENISA EUVD · EUVD-2026-41636
GCVE · GCVE-0-2026-27775

Produits affectés

Produit	Versions
Gitea · Gitea Open Source Git Server	affected 1.25.5

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD