CVE-2024-8998 Regular Expression Denial of Service (ReDoS) in lunary-ai/lunary

High 7.5 Published 20 Mar 2025 Updated 4 Apr 2025

An attacker can cause a denial of service by submitting crafted inputs that trigger exponential backtracking in a regular expression.

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-2024-8998?

CVE-2024-8998 is a high-severity denial of service vulnerability in Lunary Lunary, published on 20 Mar 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A Regular Expression Denial of Service (ReDoS) vulnerability exists in lunary-ai/lunary version git f07a845. The server uses the regex /{.*?}/ to match user-controlled strings. In the default JavaScript regex engine, this regex can take polynomial time to match certain crafted user inputs. As a result, an attacker can cause the server to hang for an arbitrary amount of time by submitting a specially crafted payload. This issue is fixed in version 1.4.26.

Weakness: CWE-1333

Which versions are affected by CVE-2024-8998?

It affects 1 product.

Products include Lunary Lunary.

How do I fix CVE-2024-8998?

No fix has been published for CVE-2024-8998 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-2024-8998 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-8998 exists.

All Lunary Lunary vulnerabilities

Sources

Also known as GHSA-hx67-j5pj-h8ch.