CVE-2025-63651

7.5 highEPSS 1.1%

High (7.5) in monkey-project monkey. EPSS 1.1% chance of exploitation in the next 30 days.

A use-after-free in the mk_string_char_search function (mk_core/mk_string.c) of monkey commit f37e984 allows attackers to cause a Denial of Service (DoS) via sending a crafted HTTP request to the server.

Severity

CVSS 3.1

7.5 high

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 64% of CVEs (scores of 2026-11-01)
CWE: CWE-416
Published: 2026-01-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

monkey-project:monkey

References

https://github.com/archersec/security-advisories/blob/master/monkey/monkey-advisory-2025.md
https://github.com/monkey/monkey/issues/426

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