CVE-2026-27780: Gitea Open Source Git Server 0 to before 1.26.0

CVE-2026-27780. CVSS 3.1 base score 9.8 (CRITICAL, Source advisory). EPSS 0.00638 (percentile 0.49975), scored 24-Oct-2026.

Affected technology

Gitea Open Source Git Server · 0 to before 1.26.0
Gitea

Description’s affected range: versions before 1.26.0 do not fail closed on bufio.Scanner errors while processing pre-receive hook input

Component: Not specified by the source

Attack conditions (Source advisory, CVSS 3.1): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Source advisory’s CVSS 3.1 assessment (base score 9.8/10) rates confidentiality, integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 25-Oct-2026 19:51 UTC

CWE: CWE-863
CCR priority: 39.4 /100 (P4)
CVSS 3.1: 9.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · Source advisory
EPSS: 0.00638 · percentile 0.50263 · 2026-10-25
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-25 19:52:47.952465+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-25 19:51:06.643138+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-27780.html