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Fencer Intel
medium 6.3

CVE-2025-13327 json

Uv: uv: specially crafted zip archives lead to arbitrary code execution due to parsing differentials

published last yr. modified 8d ago also EUVD-2025-208130 , GHSA-pqhf-p39g-3x64 , GHSA-v653-r55g-hcmg , PYSEC-2026-2295

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

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.

Patch / fix

  • pypi uv 0.9.6
  • crates.io uv 0.9.6
  • astral-sh uv 0.9.6
  • Red Hat Red Hat OpenShift AI 3.0 1793041981, 1793042067, 1793042072, 1793328358, 1793329709
  • python-uv openSUSE Leap 16.0 0.7.18-160000.4.1

opensuse advisories openSUSE-SU-2026:20330-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-13327 updated cvss 6.3

uv: uv: Specially crafted ZIP archives lead to arbitrary code execution due to parsing differentials

  • Red Hat AI Inference Server rhaiis/vllm-cuda-rhel9, rhaiis/vllm-rocm-rhel9, rhaiis/model-opt-cuda-rhel9, rhaiis-preview/vllm-cuda-rhel9 Red Hat OpenShift AI (RHOAI) rhoai/odh-vllm-cpu-rhel9, rhoai/odh-training-rocm64-torch28-py312-rhel9, rhoai/odh-pipeline-runtime-minimal-cpu-py312-rhel9, rhoai/odh-pipeline-runtime-pytorch-cuda-py312-rhel9, rhoai/odh-pipeline-runtime-pytorch-rocm-py312-rhel9, rhoai/odh-workbench-jupyter-minimal-cpu-py312-rhel9, +14 more
    affected: workaround, no fix available “Fix deferred”
  • Red Hat OpenShift AI 3.0 rhai/base-image-cpu-rhel9 1793042072, rhai/base-image-cpu-rhel9 1793329709, rhai/base-image-cuda-rhel9 1793042067, rhai/base-image-cuda-rhel9 1793328358, rhai/base-image-rocm-rhel9 1793041981
    fixed: vendor fix RHSA-2026:94459
  • Red Hat AI Inference Server rhai/base-image-cpu-rhel9, rhai/base-image-cuda-rhel9, rhai/base-image-rocm-rhel9
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
8mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 6.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
GitHub 3.1 6.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
NVD 3.1 6.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H
OSV 3.1 6.3 CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
pypi uv
<0.9.6
0.9.6
crates.io uv
<0.9.6
0.9.6

Affected products

  • astral-sh uv
  • Red Hat Red Hat OpenShift AI 3.0
  • Red Hat Red Hat AI Inference Server
  • Red Hat Red Hat OpenShift AI (RHOAI)

Classification

Weakness
  • CWE-1286 Improper Validation of Syntactic Correctness of Input
  • CWE-20 Improper Input Validation
  • CWE-436 Interpretation Conflict

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

The maintainers of astral-sh/uv published their own advisory on GitHub. Reviewed sources take precedence over it.