uv up to 0.9.5 ZIP Archive improper validation of syntactic correctness of input

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in uv up to 0.9.5 and classified as critical. Affected by this issue is some unknown functionality of the component ZIP Archive Handler. The manipulation leads to Remote Code Execution. This vulnerability is referenced as CVE-2025-13327. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in uv up to 0.9.5. This issue affects an unknown part of the component ZIP Archive Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. Using CWE to declare the problem leads to CWE-1286. The product receives input that is expected to be well-formed - i.e., to comply with a certain syntax - but it does not validate or incorrectly validates that the input complies with the syntax. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at bugzilla.redhat.com. The identification of this vulnerability is CVE-2025-13327. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 301477 (openSUSE 16 Security Update : python-uv (openSUSE-SU-2026:20330-1)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.9.6 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (301477) and EUVD (EUVD-2025-208130). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.3
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper validation of syntactic correctness of input
CWE: CWE-1286 / CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 301477
Nessus Name: openSUSE 16 Security Update : python-uv (openSUSE-SU-2026:20330-1)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: uv 0.9.6

Timelineinfo

12/10/2025 Advisory disclosed
12/10/2025 +0 days VulDB entry created
03/18/2026 +98 days VulDB entry last update

Sourcesinfo

Advisory: bugzilla.redhat.com
Status: Confirmed

CVE: CVE-2025-13327 (🔒)
GCVE (CVE): GCVE-0-2025-13327
GCVE (VulDB): GCVE-100-335765
EUVD: 🔒

Entryinfo

Created: 12/10/2025 21:04
Updated: 03/18/2026 06:43
Changes: 12/10/2025 21:04 (49), 02/27/2026 10:12 (1), 03/08/2026 20:54 (2), 03/18/2026 06:43 (22)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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