What’s Vulnerable › Vulnerabilities

CVE-2026-61483: Apache Lucy: QueryParser unbounded recursion on deeply-nested query -> C-stack-overflow DoS

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-05 · updated 2026-10-24
• Weakness: CWE-674

Description

** UNSUPPORTED WHEN ASSIGNED ** Uncontrolled Recursion 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. NOTE: This vulnerability only affects products that are no longer supported by the ASF. Lucy is now maintained outside of the ASF at https://github.com/lucysearch

Affected products

• Apache Software Foundation Apache Lucy: all versions

References

• https://github.com/lucysearch
• https://lists.apache.org/thread/ltp8320c0nsy45bpzm8342jd7yj05z1h
• http://www.openwall.com/lists/oss-security/2026/08/05/4

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