GitHub Advisoryadvisory · Go

GHSA-pchf-49fh-w34r Soft Serve Affected by an Authentication Bypass

HIGH Published 2026-01-21 Modified 2026-01-23 Official page ↗
Aliases
CVE-2026-24058
Ecosystem
Go
Packages
github.com/charmbracelet/soft-serve
Severity
High
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
Weaknesses
CWE-289
Reviewed
2026-01-21

Affected packages

• Go github.com/charmbracelet/soft-serve: < 0.11.3 → fixed in 0.11.3

Description

Impact _What kind of vulnerability is it? Who is impacted?_ This issue impacts every Soft Serve instance. A critical authentication bypass allows an attacker to impersonate any user (including Admin) by "offering" the victim's public key during the SSH handshake before authenticating with their own valid key. This occurs because the user identity is stored in the session context during the "offer" phase and is not cleared if that specific authentication attempt fails. Patches _Has the problem been patched? What versions should users upgrade to?_ Yes, please upgrade to version 0.11.3 as soon as possible. Workarounds _Is there a way for users to fix or remediate the vulnerability without upgrading?_ You need to upgrade

Related

Alias · CVE (1)

  • CVE-2026-24058 Soft Serve is a self-hostable Git server for the command line. vulnerability

Weakness · CWE (1)

  • CWE-289 Authentication Bypass by Alternate Name weakness

References