CVE-2026-61483 Apache Software Foundation CVE debrief

Who should care

Users and administrators of Apache Lucy, especially those with exposure to untrusted input, should be aware of the vulnerability and take necessary actions to protect their systems. This includes assessing usage, considering migration, and restricting access if needed. Operators, platform administrators, vulnerability management teams, and security teams should review the vulnerability and its potential impact on their systems and take appropriate measures to mitigate the risk.

Technical summary

CVE-2026-61483 is an Uncontrolled Recursion vulnerability in Apache Lucy, affecting all versions. The project is retired, and no fix is planned. Users of Apache Lucy should find an alternative or restrict access to trusted users due to the vulnerability. The vulnerability allows for potential denial-of-service attacks through recursive calls, which can lead to resource exhaustion. Users should verify their exposure and consider alternatives or restrict access.

Defensive priority

Users of Apache Lucy should find an alternative or restrict access to trusted users due to an Uncontrolled Recursion vulnerability.

Recommended defensive actions

• Inventory and assess usage of Apache Lucy
• Consider migrating to an alternative
• Restrict access to trusted users if migration is not feasible
• Review compensating controls for exposed systems
• Check relevant monitoring, detection, and logs for exposed assets
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The CVE-2026-61483 record indicates an Uncontrolled Recursion vulnerability in Apache Lucy, affecting all versions. As the project is retired, no fix is planned. Users should verify their exposure and consider alternatives or restrict access. Evidence is limited to CVE and NVD details.

Official resources