CVE-2026-94456

Postiz generates security-sensitive credentials using `Math.random()` instead of a cryptographically secure source. The same helper is used for OAuth access tokens, authorization codes, client secrets, organization API keys, and PKCE verifiers, meaning these credentials depend entirely on V8’s deterministic xorshift128+ PRNG state. An unauthenticated OAuth dynamic client registration endpoint exposes freshly generated client credentials, giving attackers enough consecutive PRNG output to reconstruct that internal state. Once recovered, they can deterministically derive past and future values produced by the same generator, potentially compromising credentials belonging to other users and organizations.

• CWE-330
• CWE-338
• CWE-341

• https://gadvisory.org/advisories/PSA-2026-TD98KY
• https://github.com/gitroomhq/postiz-app
• https://github.com/gitroomhq/postiz-app/commit/9259cf2429e8cc0c88414e88d5e6c783d7ffba63
• https://github.com/gitroomhq/postiz-app/releases/tag/v2.24.0

Published

Sep 22, 2026

Last Modified

Sep 22, 2026

Status

Awaiting Analysis

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2026-94449A flaw was found in the SmallRye Fault Tolerance library, wh…7.5
• CVE-2026-9445A flaw has been found in SourceCodester Simple POS and Inven…6.3
• CVE-2026-94450Improper validation of the Destination Connection ID length …7.5
• CVE-2026-94451Quarkus REST Data Panache provides a way to automatically ge…6.5
• CVE-2026-94453Libreswan's pluto daemon has a use-after-free vulnerability …7.5
• CVE-2026-94455An HTTP endpoint intended for provisioning enterprise and re…7.1
• CVE-2026-94457Unauthenticated Bypass Vulnerability in Captcha Code <= 3.32…4.8
• CVE-2026-94459IRISPowerscan contain default user accounts with predictable…7.2
• CVE-2026-9446A vulnerability has been found in SourceCodester Simple POS …4.7
• CVE-2026-94460IRISPowerscan contain an insecure default configuration wher…7.2
• CVE-2026-94461Contributor Cross Site Scripting (XSS) in Ditty <= 3.1.69 ve…6.5
• CVE-2026-94462Spree is an open source e-commerce solution built with Ruby …7.1