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Vulnerability Details :

CVE-2026-44029

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-05 May, 2026 | 00:51
Updated At-05 May, 2026 | 12:43
Rejected At-
Credits

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);

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:05 May, 2026 | 00:51
Updated At:05 May, 2026 | 12:43
Rejected At:
▼CVE Numbering Authority (CNA)

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);

Affected Products
Vendor
NixOS
Product
Nix
Default Status
unaffected
Versions
Affected
  • From 2.24.7 before 2.28.7 (semver)
  • From 2.29.0 before 2.29.4 (semver)
  • From 2.30.0 before 2.30.5 (semver)
  • From 2.31.0 before 2.31.5 (semver)
  • From 2.32.0 before 2.32.8 (semver)
  • From 2.33.0 before 2.33.6 (semver)
  • From 2.34.0 before 2.34.7 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-36CWE-36 Absolute Path Traversal
Type: CWE
CWE ID: CWE-36
Description: CWE-36 Absolute Path Traversal
Metrics
VersionBase scoreBase severityVector
3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407
N/A
https://www.openwall.com/lists/oss-security/2026/05/04/33
N/A
https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p
N/A
Hyperlink: https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/04/33
Resource: N/A
Hyperlink: https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:05 May, 2026 | 01:16
Updated At:05 May, 2026 | 19:47

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);

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.15.3MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 5.3
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-36Primarycve@mitre.org
CWE ID: CWE-36
Type: Primary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407cve@mitre.org
N/A
https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5pcve@mitre.org
N/A
https://www.openwall.com/lists/oss-security/2026/05/04/33cve@mitre.org
N/A
Hyperlink: https://discourse.nixos.org/t/security-advisory-local-privilege-escalation-in-lix-and-nix/77407
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://github.com/NixOS/nix/security/advisories/GHSA-gr92-w2r5-qw5p
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/04/33
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

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