CVE-2026-8503

216.73.217.98

· Published 15/05/2026 12:17 · Modified 15/05/2026 16:16

Labels: CVE-2026-8503 2026-05-15 9b29abf9-4ab0-4765-b253-1875cd9b441e CVE-2026-8503 CWE-338

Essential information

Published: 15/05/2026 12:17
Modified: 15/05/2026 16:16
Author: —
Creator: —
CVSS: 6.5 MEDIUM (v3.1)
CISA KEV: No
CWE: —
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS metrics

Description

Apache::Session::Generate::SHA256 versions before 1.3.19 for Perl create insecure session ids. Apache::Session::Generate::SHA256 generated session ids insecurely. The default session id generator returns a SHA-256 hash of the built-in rand() function, the epoch time, and the PID, that is hashed again. These are predictable, low-entropy sources. Predicable session ids could allow an attacker to gain access to systems. Note that version 1.3.19 has a fallback without warning to use insecure session generation method if the call to Crypt::URandom::urandom fails. However, this is unlikely as Crypt::URandom is a hardcoded requirement of the module. This issue is similar to CVE-2025-40931 for Apache::Session::Generate::MD5.

NVD status

Status: Awaiting Analysis — CVE has been recently published to the CVE List and has been received by the NVD.
Source: 9b29abf9-4ab0-4765-b253-1875cd9b441e
NVD: View on NVD

Affected products (CPE)

Product	CPE
apache / session generate sha256	`cpe:2.3:a:apache:session_generate_sha256:<1.3.19:::::::*`