CVE-2026-44029 (GCVE-0-2026-44029)

Vulnerability from cvelistv5 – Published: 2026-05-05 00:51 – Updated: 2026-05-05 12:43
VLAI
Summary
An issue was discovered in Nix before 2.34.7. Writing to arbitrary files can occur via "nix-prefetch-url --unpack" or "nix store prefetch-file --unpack" directory traversal. The fixed versions are 2.34.7, 2.33.6, 2.32.8, 2.31.5, 2.30.5, 2.29.4, and 2.28.7 (introduced in 2.24.7);
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-36 - Absolute Path Traversal
Assigner
References
Impacted products
Vendor Product Version
NixOS Nix Affected: 2.24.7 , < 2.28.7 (semver)
Affected: 2.29.0 , < 2.29.4 (semver)
Affected: 2.30.0 , < 2.30.5 (semver)
Affected: 2.31.0 , < 2.31.5 (semver)
Affected: 2.32.0 , < 2.32.8 (semver)
Affected: 2.33.0 , < 2.33.6 (semver)
Affected: 2.34.0 , < 2.34.7 (semver)
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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.