CVE-2026-35461

MEDIUM

Papra <26.4.0 Webhook URL - Blind Server-Side Request Forgery

Title source: manual
STIX 2.1

Description

Papra is a minimalistic document management and archiving platform. Prior to 26.4.0, the Papra webhook system allows authenticated users to register arbitrary URLs as webhook endpoints with no validation of the destination address. The server makes outbound HTTP POST requests to registered URLs, including localhost, internal network ranges, and cloud provider metadata endpoints, on every document event. This vulnerability is fixed in 26.4.0.

References (1)

Core 1
Core References

Scores

CVSS v3 5.0
EPSS 0.0021
EPSS Percentile 11.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-918
Status published
Products (1)
papra-hq/papra < 26.4.0
Published Apr 07, 2026
Tracked Since Apr 07, 2026