Critical severity9.8OSV Advisory· Published Jan 22, 2026· Updated Jun 17, 2026
CVE-2026-24058
CVE-2026-24058
Description
Soft Serve is a self-hostable Git server for the command line. Versions 0.11.2 and below have a critical authentication bypass vulnerability that 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. This issue has been fixed in version 0.11.3.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/charmbracelet/soft-serveGo | < 0.11.3 | 0.11.3 |
Affected products
5v0.1.0, v0.1.1, v0.1.2, …+ 1 more
- (no CPE)range: v0.1.0, v0.1.1, v0.1.2, …
- cpe:2.3:a:charm:soft_serve:*:*:*:*:*:go:*:*range: <0.11.3
- ghsa-coords3 versionspkg:golang/github.com/charmbracelet/soft-servepkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
< 0.11.3+ 2 more
- (no CPE)range: < 0.11.3
- (no CPE)range: < 0.0.20260205T172317-150000.1.146.1
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
5- github.com/charmbracelet/soft-serve/commit/8539f9ad39918b67d612a35785a2b4326efc8741nvdPatchWEB
- github.com/advisories/GHSA-pchf-49fh-w34rghsaADVISORY
- github.com/charmbracelet/soft-serve/security/advisories/GHSA-pchf-49fh-w34rnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-24058ghsaADVISORY
- github.com/charmbracelet/soft-serve/releases/tag/v0.11.3nvdProductRelease NotesWEB
News mentions
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