CVE-2026-92000 (CVSS 7.5)

Description

adm-zip versions 0.5.14 through 0.6.0 fail to apply zlib decompression output limits when ZIP entries declare zero uncompressed size. Attackers can craft malicious ZIP archives with highly compressible entries declaring zero size to exhaust memory and cause denial of service.

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CVSS v3.1 Score

7.5

HIGH

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

EPSS — Exploit Prediction

0.0039

Probability of exploitation

0.33%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-409 CWE-409

References

Other References

https://github.com/cthackers/adm-zip https://github.com/cthackers/adm-zip/blob/v0.6.0/methods/inflater.js https://github.com/cthackers/adm-zip/commit/491600683dacb6cb9fe0718a0eeb9cb5eb49afa6 https://github.com/cthackers/adm-zip/commit/8bc411184de1b5ca28138c53074fb61119994dde https://github.com/cthackers/adm-zip/security/advisories/GHSA-rcw4-f5rp-g42v https://www.vulncheck.com/advisories/adm-zip-0.5.14-through-0.6.0-denial-of-service-via-zero-declared-uncompressed-size

Frequently Asked Questions

What is CVE-2026-92000? +

adm-zip versions 0.5.14 through 0.6.0 fail to apply zlib decompression output limits when ZIP entries declare zero uncompressed size. Attackers can craft malicious ZIP archives with highly compressible entries declaring zero size to exhaust memory and cause denial of service. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2026-92000? +

CVE-2026-92000 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0039, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-92000? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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