CVE-2026-35461

MEDIUM

Papra has a Blind Server-Side Request Forgery (SSRF) via Webhook URL

Title source: cna

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)

[X_Refsource_Confirm] https://github.com/papra-hq/papra/security/advisories/GHSA-cjw7-qg95-58mq

Scores

CVSS v3 5.0

EPSS 0.0003

EPSS Percentile 8.4%

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