CVE-2026-85491 Catalyst::Seal - Authorization Bypass

Catalyst::Seal < 0.03 for Perl contains an authorization bypass caused by dispatch memoization keyed only on request path, letting attackers disable or misroute requests past authorization checks, exploit requires crafted requests with specific HTTP methods.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.36% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Authorization Bypass
Impact
Broken Access Control
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
24 September 2026
Updated
15 October 2026
Weakness
CWE-706

Vendor fix

Update to version 0.03 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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