CVE-2026-20896CWE-284

Gitea Docker image trusts spoofable reverse-proxy headers by default

Critical · published July 3, 2026

CVSS v3.1
9.8
EPSS
3%
Percentile
86.1
In the wild
Unconfirmed
What it is

Gitea Docker image versions up to and including 1.26.2 use REVERSE_PROXY_TRUSTED_PROXIES=* by default, allowing any source IP to impersonate a user when reverse-proxy authentication headers such as X-WEBAUTH-USER are enabled.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02755 · 86.1th percentile
Weakness
CWE-284 · Improper Access Control
Published
2026-07-03T20:19Z
EPSS history
Timeline
  • 03 JUL 20:19Z
    Gitea Docker image trusts spoofable reverse-proxy headers by default
    cvelistv5