CVE-2026-78188

MediumCVSS 5.4/10Last modified Nov 6, 2026

Description

WebDyne versions from 2.014 before 3.022 for Perl issue session cookies without the Secure, HttpOnly and SameSite attributes.

WebDyne::Session sets its session cookie with only a name, value and path.

Browsers then send the session ID over plain HTTP and with cross-site requests, and expose it to page scripts. A network attacker or an injected script can steal the session, and another site can make requests that carry it.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

Weakness enumeration

Affected software

VendorProductVersions
——>= 2.014, < 3.022

References

Timeline

Published
Oct 31, 2026
Last modified
Nov 6, 2026
NVD status
Deferred

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CVE-2026-78188: Medium severity, CVSS 5.4 | Vulnix