CVE-2026-61483

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

HIGH
7.5
CVSS Score
Published: August 5, 2026 at 06:36 AM UTC
Updated: October 24, 2026 at 04:10 PM UTC
1 product affected across 1 vendorLucy

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

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 maintainer.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Affected range stops below 0.8.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Vendor AdvisoryMailing List
Source: cverecord
https://lists.apache.org/thread/ltp8320c0nsy45bpzm8342jd7yj05z1h
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/08/05/4
Related
Source: cverecord
https://github.com/lucysearch

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-674

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