CVE-2024-7779 ReDoS (Regular Expression Denial of Service) in danswer-ai/danswer
An attacker can cause a denial of service in the Danswer AI application by triggering inefficient regular expression processing.
- 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-2024-7779?
CVE-2024-7779 is a high-severity denial of service vulnerability in danswer-ai/danswer, 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 vulnerability in danswer-ai/danswer version 1 allows an attacker to perform a Regular Expression Denial of Service (ReDoS) by manipulating regular expressions. This can significantly slow down the application's response time and potentially render it completely unusable.
Weakness: CWE-1333
Which versions are affected by CVE-2024-7779?
How do I fix CVE-2024-7779?
No fix has been published for CVE-2024-7779 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-2024-7779 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-7779 exists.
Sources
Also known as GHSA-4f3h-89pj-w84f.