CVE-2026-42305High· 8.8▾ TwilightA flaw was found in Dulwich, a pure-Python implementation of the Git file formats and protocols. A remote attacker could exploit this vulnerability by enticing a user on a Windows system to clone or check out a specially crafted malicious …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Aug 2.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.6%
Last analysed / modified upstream
0.6% → 0.9%
A flaw was found in Dulwich, a pure-Python implementation of the Git file formats and protocols. A remote attacker could exploit this vulnerability by enticing a user on a Windows system to clone or check out a specially crafted malicious Git repository. This could lead to an arbitrary file write, ultimately resulting in remote code execution on the affected system.
dulwich: Dulwich: Remote Code Execution via Malicious Git Repository — rated Important by Red Hat. Released 2026-06-10, updated 2026-09-24.
Affected:
Fixed:
No fix planned:
Not affected:
For Red Hat OpenShift AI 3.4.4 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update:
https://docs.redhat.com/en/documentation/red_hat_openshift_ai/ https://access.redhat.com/errata/RHSA-2026:60520
Workarounds / mitigations:
Affected packages:
dulwich >= 0.10.0, < 1.2.5Patched in:
dulwich 1.2.5Connected by shared product, vendor, weakness, or advisory.
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