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Vulnerability record · CVE-2026-61484 · published 5 August 2026

CVE-2026-61484: Apache lucy deserialization of untrusted data vulnerability

Apache · Lucy

** UNSUPPORTED WHEN ASSIGNED ** Deserialization of Untrusted Data 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 recommended to find an alternative or restrict access to the instance to trusted users. Lucy is now maintained outside of the ASF at https://github.com/lucysearch . 0.8.0 is no longer affected by this issue, because the offending feature has been removed there. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

9.8 CVSS 3.1 Critical EPSS 0.81% · top 44.9% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score
0.81%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
4 Sep 2026Last modified by NVD

Description

** UNSUPPORTED WHEN ASSIGNED ** Deserialization of Untrusted Data 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 recommended to find an alternative or restrict access to the instance to trusted users. Lucy is now maintained outside of the ASF at https://github.com/lucysearch . 0.8.0 is no longer affected by this issue, because the offending feature has been removed there. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/942t3pwgz2nrhnklrtyt5zr7g4wqc9cb Mailing ListVendor Advisory
http://www.openwall.com/lists/oss-security/2026/08/05/5 Mailing ListThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-61484), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.