CVE-2026-23603

3.1 lowEPSS 0.3%

Low (3.1). EPSS 0.3% chance of exploitation in the next 30 days. Fixed in code.gitea.io/gitea 1.27.0.

Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Severity

3.1 low

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 21% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2026-08-13
Modified: 2026-08-26
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-x77v-q46j-393g	Go	code.gitea.io/gitea	<1.27.0	1.27.0
GO-2026-6083	Go	gitea.dev	<1.27.0	1.27.0