Is CVE-2026-35461 in the CISA KEV catalog?

No. CVE-2026-35461 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-35461?

CVE-2026-35461 has a CVSS v3 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2026-35461?

CVE-2026-35461 has an EPSS score of 0.21% (12th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-35461?

Upgrade papra to 26.4.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-35461

MEDIUM

5.0

CVSS v3

NVD

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.

CWE-918Server-Side Request Forgery (SSRF)

How to fix

Remediation Available

papraNVD

Affected:< 26.4.0Fixed in:26.4.0CVE-2026-35461derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N

Exploit Intelligence

0.21%probability of exploitation in 30 days

12thpercentile

Low risk: more likely to be exploited than 12% of all known CVEs.

References

Exploit1

github.com

Related Vulnerabilities

Other CWE-918 (Server-Side Request Forgery (SSRF)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2024-21893	High	8.2	100%	KEV + Ransom	-
CVE-2021-40438	Critical	9.0	100%	KEV	Fix
CVE-2021-34473	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-26855	Critical	9.1	100%	KEV + Ransom	Fix
CVE-2021-21985	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2022-41040	High	8.8	100%	KEV + Ransom	Fix

Embed a live status badge for CVE-2026-35461

Markdown

[![CVE-2026-35461](https://tridentstack.com/cve/badge/CVE-2026-35461.svg)](https://tridentstack.com/cve/CVE-2026-35461)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-35461"><img src="https://tridentstack.com/cve/badge/CVE-2026-35461.svg" alt="CVE-2026-35461"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-24.