CVE-2026-41455

HIGH

8.5

Description

WeKan before 8.35 contains a server-side request forgery vulnerability in webhook integration URL handling where the url schema field accepts any string without protocol restriction or destination validation. Attackers who can create or modify integrations can set webhook URLs to internal network addresses, causing the server to issue HTTP POST requests to attacker-controlled internal targets with full board event payloads, and can additionally exploit response handling to overwrite arbitrary comment text without authorization checks.

CVE Details

CVSS v3.1 Score8.5

SeverityHIGH

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/22/2026

Last Modified4/22/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-918

References

https://github.com/wekan/wekan/commit/2cd702f48df2b8aef0e7381685f8e089986a18a4(disclosure@vulncheck.com)

https://github.com/wekan/wekan/releases/tag/v8.35(disclosure@vulncheck.com)

https://www.vulncheck.com/advisories/wekan-ssrf-via-webhook-url(disclosure@vulncheck.com)

IOC Correlations

No correlations recorded

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