CVE-2026-124029

MEDIUMCVSS 5.7/10

Last modified

CVE-2026-124029 is a medium-severity vulnerability rated 5.7/10 on the CVSS scale. Kopia through 0.23.1 contains a path traversal vulnerability in copyDirectoryContent that allows users with repository write access to escape the restore directory via crafted entry names. Attackers can create snapshots whose directory manifest entries are named '..', so victims restoring with default options write attacker-chosen content outside the restore directory..

Description

Kopia through 0.23.1 contains a path traversal vulnerability in copyDirectoryContent that allows users with repository write access to escape the restore directory via crafted entry names. Attackers can create snapshots whose directory manifest entries are named '..', so victims restoring with default options write attacker-chosen content outside the restore directory.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
kopiakopia<= 0.23.1

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-124029?
Kopia through 0.23.1 contains a path traversal vulnerability in copyDirectoryContent that allows users with repository write access to escape the restore directory via crafted entry names. Attackers can create snapshots whose directory manifest entries are named '..', so victims restoring with default options write attacker-chosen content outside the restore directory.
How severe is CVE-2026-124029?
CVE-2026-124029 has a CVSS score of 5.7/10 (MEDIUM severity).
How do I fix CVE-2026-124029?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST