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CVE-2025-13327 — Vulnerability in uv — CVE Details

MEDIUM

uv has ZIP payload obfuscation through parsing differentials

Published February 27, 2026Updated July 13, 2026Source: osv

Summary

A flaw was found in uv. This vulnerability allows an attacker to execute malicious code during package resolution or installation via specially crafted ZIP (Zipped Information Package) archives that exploit parsing differentials, requiring user interaction to install an attacker-controlled package.

Advisory Timeline

  • First published February 27, 2026 (227 days ago).
  • Last revised July 13, 2026 — 136 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Cargo
Update uv to 0.9.6 or later
cargo update -p uv --precise 0.9.6

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: crates.io (1).

PackageEcosystemAffectedFixed In
uv
crates.io
All versions0.9.6

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 6.3 score means for each attack dimension.

Attack Vector
Local
Attack Complexity
High
Privileges Required
High
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2025-13327?
uv has ZIP payload obfuscation through parsing differentials This vulnerability has been assigned a severity rating of MEDIUM (CVSS score: 6.3/10).
How do I check if my project is affected by CVE-2025-13327?
CVE-2025-13327 affects uv. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2025-13327 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
6.3

Exploitation requires specific conditions or has limited impact. Remediate within weeks.

Also Known As

GHSA-v653-r55g-hcmg
GHSA-pqhf-p39g-3x64
PYSEC-2026-2295

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More crates.io advisories

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