How severe is CVE-2025-69874?

CVE-2025-69874 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-69874 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-69874?

CVE-2025-69874 affects Unjs Nanotar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-69874?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-69874 have an EU (EUVD) identifier?

Yes. CVE-2025-69874 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207397.

When was CVE-2025-69874 published?

CVE-2025-69874 was published on 2026-02-11 and last updated on 2026-06-17.

CVE-2025-69874

CVE-2025-69874 is a critical-severity vulnerability in Unjs Nanotar with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-207397
Weakness: CWE-22
Affected product: Unjs Nanotar
Published: 2026-02-11
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-69874?: 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.
How severe is CVE-2025-69874?: CVE-2025-69874 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-69874 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-69874?: CVE-2025-69874 affects Unjs Nanotar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-69874?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-69874 have an EU (EUVD) identifier?: Yes. CVE-2025-69874 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-207397.
When was CVE-2025-69874 published?: CVE-2025-69874 was published on 2026-02-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:unjs:nanotar:*:*:*:*:*:node.js:*:*

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