CORS Misconfiguration in danswer-ai/danswer
Priority HIGH 66CWE-346Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · CNA. Fix status from CNA. Impact type from CWE-346.
Summary
A CORS misconfiguration in danswer-ai/danswer v1.4.1 allows attackers to steal sensitive information such as chat contents, API keys, and other data. This vulnerability occurs due to improper validation of the origin header, enabling malicious web pages to make unauthorized requests to the application's API.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00283 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| danswer-ai | danswer-ai/danswer | up to latest | — | No fix listed | CNA |
- danswer-ai/danswer Vendordanswer-ai Affected up to latest Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2024-7819
- 2026-10-03 Alias added: GHSA-2c36-wq4v-5v3h
References
More danswer-ai vulnerabilities
- TI-2024-21753 Unauthorized access to GET/SET of Slack Bot Tokens in Danswer CVSS 3.1CRITICAL 9.8
- TI-2024-07378 Arbitrary File Overwrite in danswer-ai/danswer CVSS 3.0CRITICAL 9.1
- TI-2025-00141 Denial of Service in danswer-ai/danswer CVSS 3.0HIGH 7.5
- TI-2024-07442 Denial of Service in danswer-ai/danswer CVSS 3.0HIGH 7.5
- TI-2024-07212 ReDoS (Regular Expression Denial of Service) in danswer-ai/danswer CVSS 3.0HIGH 7.5
- TI-2024-07477 CSRF in danswer-ai/danswer CVSS 3.0HIGH 8.1
Sources
- CVE-2024-7819 · CVE Program
- CVE-2024-7819 · NVD
- FIRST EPSS
- GHSA-2c36-wq4v-5v3h · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences