High severity · published Oct 21, 2026
CVE-2026-114098
Dulwich 0.22.5 before 1.2.8 Path Traversal via Stash Pop Symlinks
7.8
CVSS
0.2%
EPSS
No
On KEV
Description
Dulwich from 0.22.5 before 1.2.8 contains a path traversal vulnerability in stash.py pop() that allows attackers to write arbitrary files outside the worktree through intermediate directory symlinks. Attackers can craft a malicious repository whose popped stash writes a payload into .git/hooks/post-checkout, achieving code execution on the next checkout.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 4% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DU
dulwich · jelmer
0.22.5 before 1.2.8 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-114098
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-114098
github.com
https://github.com/jelmer/dulwich/security/advisories/GHSA-cm62-gvxx-vmxx
www.vulncheck.com
https://www.vulncheck.com/advisories/dulwich-0.22.5-before-1.2.8-path-traversal-via-stash-pop-symlinks
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