Vulnerability GHSA-w84c-53h3-mc2g

Medium Risk
MEDIUM RISK
CVSS Score: 6.1
Score Range: 4.0–6.9
Medium severity vulnerabilities (CVSS 4.0–6.9). Important issues that meaningfully reduce security confidence.
2 hours ago
October 06, 2026 at 04:09 PM UTC
Payload: Untrusted redirect URL parameter exploit
3.40.0 - 3.87.1 and 4.0.0-canary.0 - 4.0.0-canary.26
3.40.0 - 3.87.1 and 4.0.0-canary.0 - 4.0.0-canary.26

Summary

Payload: Untrusted redirect URL parameter exploit

Details

Impact

Under certain conditions, an attacker can craft a redirect link that sends a guest user to an untrusted destination after authenticating.

Patches

Users should upgrade Payload packages to >= 3.88.0 or >= 4.0.0-canary.27.

Workarounds

Upgrading is recommended. Until then, remove user-controlled redirect values from authentication flows or restrict them to known local paths.

Timeline

Published
2 hours ago
October 06, 2026 at 04:09 PM UTC
Fixed (3.88.0)
1 month ago
August 11, 2026 at 08:55 PM UTC
Fixed (3.88.0)
1 month ago
August 11, 2026 at 08:56 PM UTC
Fixed (4.0.0-canary.27)
Unknown
Unknown
Fixed (4.0.0-canary.27)
Unknown
Unknown
Last Modified
2 hours ago
October 06, 2026 at 04:15 PM UTC