CVE-2026-114098: dulwich 0.22.5 to before 1.2.8

Affected technology

dulwich · 0.22.5 to before 1.2.8
jelmer

Description’s affected range: before 1.2.8

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Local · No privileges required · Passive user interaction

What an attacker can do

Attackers can craft a malicious repository whose popped stash writes a payload into .git/hooks/post-checkout, achieving code execution on the next checkout. Vendor/CNA’s CVSS 4.0 assessment (base score 7.3/10) rates confidentiality, integrity and availability impact as high.