CVE-2026-118987

MediumCVSS 5.3/10Last modified Nov 6, 2026

Description

CallBackery versions before 0.62.0 for Perl accept session cookies of any age sent in the X-Session-Cookie header.

cookieConf() rejects a cookie older than 300 seconds only when it arrives in the xsc query parameter. The same cookie sent in the X-Session-Cookie header is accepted however old it is.

A session cookie that leaks through a log, a Referer header or browser history authenticates as its user indefinitely.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected software

VendorProductVersions
——< 0.62.0

References

Timeline

Published
Oct 30, 2026
Last modified
Nov 6, 2026
NVD status
Deferred

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CVE-2026-118987: Medium severity, CVSS 5.3 | Vulnix