CVE-2024-7779
ReDoS (Regular Expression Denial of Service) in danswer-ai/danswer
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.
INFO
Published Date :
March 20, 2025, 10:15 a.m.
Last Modified :
Oct. 15, 2025, 1:15 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source | 
|---|---|---|---|---|---|---|
| CVSS 3.0 | HIGH | [email protected] | 
Solution
- Update the application to the latest version.
- Review and sanitize all user-provided regular expressions.
- Implement rate limiting for suspicious requests.
References to Advisories, Solutions, and Tools
                                            Here, you will find a curated list of external links that provide in-depth
                                            information, practical solutions, and valuable tools related to
                                            CVE-2024-7779.
                                        
| URL | Resource | 
|---|---|
| https://huntr.com/bounties/829f7d9f-8755-4362-bd40-801e4690dcdc | 
CWE - Common Weakness Enumeration
            While CVE identifies
            specific instances of vulnerabilities, CWE categorizes the common flaws or
            weaknesses that can lead to vulnerabilities. CVE-2024-7779 is
            associated with the following CWEs:
        
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
            (CAPEC)
            stores attack patterns, which are descriptions of the common attributes and
            approaches employed by adversaries to exploit the CVE-2024-7779
            weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
			The following list is the news that have been mention
			CVE-2024-7779 vulnerability anywhere in the article.
		
                The following table lists the changes that have been made to the
                CVE-2024-7779 vulnerability over time.
            
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
- 
                            CVE Modified by [email protected]Oct. 15, 2025 Action Type Old Value New Value Added CWE CWE-1333 Removed CWE CWE-400 
- 
                            New CVE Received by [email protected]Mar. 20, 2025 Action Type Old Value New Value Added 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. Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-400 Added Reference https://huntr.com/bounties/829f7d9f-8755-4362-bd40-801e4690dcdc 
 
                         
                         
                         
                                             
                                            