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SCA: security update for github.com/go-gitea/gitea (GHSA-4xx9-vc8v-87hv)

medium Tenable Cloud Security Plugin ID 436925

Description

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

 - Gitea does not properly validate repository ownership when linking attachments to releases. An attachment
 uploaded to a private repository could potentially be linked to a release in a different public
 repository, making it accessible to unauthorized users. (CVE-2026-20912)

See Also

https://github.com/advisories/GHSA-4xx9-vc8v-87hv

Plugin Details

Severity: Medium

ID: 436925

Version: Revision 1.6

Type: Local

Family: SCA Checks

Published: 1/24/2026

Updated: 6/29/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.64

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2026-20912

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS v4

Risk Factor: Medium

Base Score: 5.1

Threat Score: 1.2

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 1/23/2026

Vulnerability Publication Date: 1/22/2026

Reference Information

CVE: CVE-2026-20912

cwe: CWE-284