Dashboard / CVE-2026-20896

CVE-2026-20896

CRITICAL
INFO Priority: 0.27 BB Relevance: 80/100
Published: 2026-07-03 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: High

Description

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.

Weakness Classification (1)

References & Advisories (4)

Bug Bounty Relevance

80 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.8 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

2.76%
Raw Score 0.027550
Percentile 86.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.02755
2026-10-28
0.02755

Intelligence Sources

nvd ref →

External Links