What’s Vulnerable › Vulnerabilities

CVE-2024-8763: Regular Expression Denial of Service (ReDoS) in lunary-ai/lunary

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-03-20 · updated 2026-06-17
• Weakness: CWE-1333

Description

A Regular Expression Denial of Service (ReDoS) vulnerability exists in the lunary-ai/lunary repository, specifically in the compileTextTemplate function. The affected version is git be54057. An attacker can exploit this vulnerability by manipulating the regular expression /{{(.*?)}}/g, causing the server to hang indefinitely and become unresponsive to any requests. This is due to the regular expression's susceptibility to second-degree polynomial time complexity, which can be triggered by a large number of braces in the input.

Affected products

• lunary-ai/lunary: before 1.4.23 — fixed in 1.4.23

How to fix

Upgrade to a fixed version: lunary-ai/lunary 1.4.23. Check the vendor advisory for mitigations.

References

• https://github.com/lunary-ai/lunary/commit/7ff89b0304d191534b924cf063f3648206d497fa
• https://huntr.com/bounties/4fb63a6e-0056-4550-a34d-e161de1c13b8

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