What is CVE-2026-61486?

CVE-2026-61486 is a critical-severity vulnerability in Apache Software Foundation Lucy, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-08-05.

How severe is CVE-2026-61486?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Apache Software Foundation Lucy

CVE-2026-61486

** UNSUPPORTED WHEN ASSIGNED ** Stack-based Buffer Overflow vulnerability in Apache Lucy. This issue affects Apache Lucy: all versions. As this project is retired, we do not plan to release a version that fixes this issue. Users are reco…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Software Foundation Lucy — versions 0

Weakness classification (CWE)

CWE-121 — Stack-based Buffer Overflow

References

security@apache.org (vendor-advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-61486?: CVE-2026-61486 is a critical-severity vulnerability in Apache Software Foundation Lucy, classified under Stack-based Buffer Overflow. CVSS score: 9.8/10. Published 2026-08-05.
How severe is CVE-2026-61486?: Critical severity. CVSS v3 base score is 9.8 out of 10.