CVE-2026-105846

Payload: Untrusted redirect URL parameter exploit

Payload is a free and open source headless content management system. In versions from 3.40.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an attacker can craft a redirect URL parameter that sends a guest user to an untrusted destination after the authentication flow completes. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.

Affected

payloadcms · @payloadcms · payload · next

CVSS v3.1 GITHUB

6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS

0.22% chance of exploitation in the next 30 days, 12th percentile

Published

2026-10-06

Proof-of-concept exploits (2)

• payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g
• payloadcms/payload/releases/tag/v3.88.045286★ · 2026-10-16

Security advisories

• advisories/GHSA-w84c-53h3-mc2g

References

• CVE Record
• NVD entry

Related

• CVE-2022-27952
• CVE-2023-30843
• CVE-2025-4643
• CVE-2025-4644
• CVE-2026-105804
• CVE-2026-105805