CVE-2026-48827

Name	CVE-2026-48827
Description	Path traversal vulnerability in Apache MINA SSHD bundle sshd-git. Lack of path validation in git-upload-pack, git-receive-pack, and other git operations allows users authenticated over SSH access to git repositories outside the configured git server root directory. Applications are affected if they use org.apache.sshd:sshd-git. Applications not using sshd-git are not affected. Users are advised to upgrade affected applications to Apche MINA SSHD 2.18.0, which fixes the issue. The issue also is present in the pre-release milestones 3.0.0-M1 to 3.0.0-M3 for a new upcoming new major version 3.0.0. Again, applications are affected only if they use sshd-git. Upgrade affected applications to 3.0.0-M4. We would like to point out that a professional git server should not rely solely on file system layout and permissions, but should implement additional security controls to govern access to git repositories and operations allowed on particular git repositories.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1138634

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mina (PTS)	bookworm, bullseye	1.1.7.dfsg-13	vulnerable
mina2 (PTS)	bullseye	2.1.4-2	vulnerable
	bookworm	2.2.1-3	vulnerable
	forky, sid, trixie	2.2.1-4	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mina	source	(unstable)	(unfixed)
mina2	source	(unstable)	(unfixed)			1138634

Notes

[trixie] - mina2 <no-dsa> (Minor issue)
[bookworm] - mina2 <no-dsa> (Minor issue)
[bullseye] - mina2 <no-dsa> (Minor issue)
[bookworm] - mina <no-dsa> (Minor issue)
[bullseye] - mina <no-dsa> (Minor issue)
https://www.openwall.com/lists/oss-security/2026/05/30/1