What is CVE-2026-92987?

CVE-2026-92987 is a high-severity vulnerability in Razrfalcon Roxmltree, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2026-09-17.

How severe is CVE-2026-92987?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Razrfalcon Roxmltree

CVE-2026-92987

roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML parsing without limits on attribute count. Attackers can craft XML documents with tens of thousands of attributes on a single element to consume excessive CPU time and cause denial of service.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Razrfalcon Roxmltree

Weakness classification (CWE)

CWE-407 — Inefficient Algorithmic Complexity

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-92987?: CVE-2026-92987 is a high-severity vulnerability in Razrfalcon Roxmltree, classified under Inefficient Algorithmic Complexity. CVSS score: 7.5/10. Published 2026-09-17.
How severe is CVE-2026-92987?: High severity. CVSS v3 base score is 7.5 out of 10.