CVE-2014-125112

critical

Published 2026-03-26 · Modified 2026-05-06

CVSS v3

9.8

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

CVSS v2

—

VIR risk

9.8

Description

Plack::Middleware::Session::Cookie versions through 0.21 for Perl allows remote code execution. Plack::Middleware::Session::Cookie versions through 0.21 has a security vulnerability where it allows an attacker to execute arbitrary code on the server during deserialization of the cookie data, when there is no secret used to sign the cookie.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2014-125112

vendor Authored 2026-05-27

Vendor advisory: 9b29abf9-4ab0-4765-b253-1875cd9b441e — https://metacpan.org/release/MIYAGAWA/Plack-Middleware-Session-0.23-TRIAL/changes

OS impact

OS	Version	Status	Fixed in
debian	bookworm	fixed	`0.24-1`
debian	bullseye	fixed	`0.24-1`
debian	forky	fixed	`0.24-1`
debian	sid	fixed	`0.24-1`
debian	trixie	fixed	`0.24-1`

Application impact

Vendor	Product	Versions	Fixed
miyagawa	plack\	`{"endExcluding":"0.23"}`	`0.23`

References

CWEs

CWE-565

Verify integrity in audit chain (admin only). AS-IS.