CVE-2026-61483 Apache Lucy: QueryParser unbounded recursion on deeply-nested query -> C-stack-overflow DoS
Attackers can cause a denial of service via stack overflow in Apache Lucy's QueryParser due to uncontrolled recursion, requiring migration as the project is retired.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61483?
CVE-2026-61483 is a high-severity denial of service vulnerability in Apache Lucy, published on 5 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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
Weakness: CWE-674
Which versions are affected by CVE-2026-61483?
It affects 1 product.
Products include Apache Lucy.
How do I fix CVE-2026-61483?
No fix has been published for CVE-2026-61483 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-61483 being exploited?
There is no known exploitation of CVE-2026-61483 in the wild and no public exploit code.
Other vulnerabilities in Apache Lucy
Sources
Also known as GHSA-3rc9-h6hx-fvf7.