CVE-2026-23603

Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Blind SSRF in OAuth2 avatar synchronization via unvalidated OIDC picture claim

Affected

Gitea · Gitea Open Source Git Server

CVSS v3.1 CNA

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

EPSS

0.29% chance of exploitation in the next 30 days, 20th percentile

Published

2026-08-13

Updated

2026-08-14

Proof-of-concept exploits (1)

• advisories/GHSA-x77v-q46j-393g

References

• CVE Record
• NVD entry