SecuriTricks - CVE-2025-0182

Description

A vulnerability in danswer-ai/danswer version 0.9.0 allows for denial of service through memory exhaustion. The issue arises from the use of a vulnerable version of the starlette package (<=0.49) via fastapi, which was patched in fastapi version 0.115.3. The vulnerability can be exploited by sending multiple requests to the /auth/saml/callback endpoint, leading to uncontrolled memory consumption and eventual denial of service.

Product(s) Impacted

Vendor	Product	Versions
Danswer-ai	Danswer	0.9.0
Tiangolo	Fastapi	<0.115.3
Starlette	Starlette	<=0.49

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-400

Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	danswer-ai	danswer	0.9.0	/	/	/	/	/	/	/
a	tiangolo	fastapi	<0.115.3	/	/	/	/	/	/
a	starlette	starlette	<=0.49	/	/	/	/	/	/

References

https://huntr.com/bounties/969b8056-b66c-4d70-8f77-04c1cbdc1d1a

CVSS Score

7.5 / 10

CVSS Data - 3.0

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

View Vector String

Timeline

Published: March 20, 2025, 10:15 a.m.
Last Modified: March 20, 2025, 10:15 a.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@huntr.dev

CVE-2025-0182