unjs nanotar up to 0.2.0 Tar parseTar/parseTarGzip path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in unjs nanotar up to 0.2.0. Affected by this issue is the function parseTar/parseTarGzip of the component Tar Handler. The manipulation results in path traversal. This vulnerability was named CVE-2025-69874. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in unjs nanotar up to 0.2.0. It has been classified as critical. Affected is the function parseTar/parseTarGzip of the component Tar Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

nanotar through 0.2.0 has a path traversal vulnerability in parseTar() and parseTarGzip() that allows remote attackers to write arbitrary files outside the intended extraction directory via a crafted tar archive containing path traversal sequence.

This vulnerability is traded as CVE-2025-69874 since 01/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/13/2026). The MITRE ATT&CK project declares the attack technique as T1006.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 9.8
ADP CISA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

01/09/2026 CVE reserved
02/11/2026 +33 days Advisory disclosed
02/11/2026 +0 days VulDB entry created
02/13/2026 +1 days VulDB entry last update

Sourcesinfo

Status: Not defined

CVE: CVE-2025-69874 (🔒)
GCVE (CVE): GCVE-0-2025-69874
GCVE (VulDB): GCVE-100-345588

Entryinfo

Created: 02/11/2026 22:34
Updated: 02/13/2026 00:47
Changes: 02/11/2026 22:34 (53), 02/13/2026 00:47 (11)
Complete: 🔍
Cache ID: 216::103

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