CVE-2026-61486: CWE-121 Stack-based Buffer Overflow in Apache Software Foundation Apache Lucy
** 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 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 . This issue has been fixed in 0.8.0 there. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
AI Analysis
Technical Summary
CVE-2026-61486 is a stack-based buffer overflow vulnerability (CWE-121) affecting all versions of Apache Lucy. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Apache Lucy is a retired project, and no official fix or patch is planned. The vulnerability remains unpatched, and users must mitigate risk by restricting access or migrating to supported alternatives.
Potential Impact
The vulnerability allows remote attackers to execute arbitrary code or cause denial of service due to a stack-based buffer overflow. The critical CVSS score reflects high impact on confidentiality, integrity, and availability. However, no known exploits are reported in the wild. The lack of vendor support means the vulnerability will persist in all versions of Apache Lucy.
Mitigation Recommendations
No official fix or patch is available because Apache Lucy is a retired project. Users should either migrate to a supported alternative or restrict access to Apache Lucy instances to trusted users only to reduce exposure.
CVE-2026-61486: CWE-121 Stack-based Buffer Overflow in Apache Software Foundation Apache Lucy
Description
** 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 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 . This issue has been fixed in 0.8.0 there. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
CVSS v3.1
Score 9.8critical
Affected software
Apache Software Foundation
Apache Lucy
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-61486 is a stack-based buffer overflow vulnerability (CWE-121) affecting all versions of Apache Lucy. The vulnerability has a CVSS 3.1 base score of 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impacts confidentiality, integrity, and availability. Apache Lucy is a retired project, and no official fix or patch is planned. The vulnerability remains unpatched, and users must mitigate risk by restricting access or migrating to supported alternatives.
Potential Impact
The vulnerability allows remote attackers to execute arbitrary code or cause denial of service due to a stack-based buffer overflow. The critical CVSS score reflects high impact on confidentiality, integrity, and availability. However, no known exploits are reported in the wild. The lack of vendor support means the vulnerability will persist in all versions of Apache Lucy.
Mitigation Recommendations
No official fix or patch is available because Apache Lucy is a retired project. Users should either migrate to a supported alternative or restrict access to Apache Lucy instances to trusted users only to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-10T12:23:21.927Z
- State
- PUBLISHED
Threat ID: 6a72e5c9bf8831d539735125
Added to database: 08/05/2026, 07:27:05 UTC
Last enriched: 08/12/2026, 15:29:26 UTC
Last updated: 09/18/2026, 02:27:42 UTC
Views: 41
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