Detections
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SCA: security update for code.gitea.io/gitea (GHSA-f75j-4cw6-rmx4)

critical Tenable Cloud Security Plugin ID 445056

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - 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. (CVE-2026-20896)

Solution

Update the code.gitea.io/gitea library and its related packages to version 1.26.3 or later.

See Also

https://github.com/advisories/GHSA-f75j-4cw6-rmx4

Plugin Details

Severity: Critical

ID: 445056

Version: Revision 1.1

Type: Local

Family: SCA Checks

Published: 7/22/2026

Updated: 7/22/2026

Risk Information

VPR

Risk Factor: Critical

Score: 9.2

Percentile: 99.76

Vendor

Vendor Severity: Critical

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-20896

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/21/2026

Vulnerability Publication Date: 6/28/2026

Reference Information

CVE: CVE-2026-20896

cwe: CWE-284