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Ostorlab Blog
Vulnerability research, CVE deep dives and engineering write-ups from the Ostorlab team on AI pentesting and mobile, web and API security testing.
python-jose JWT Forgery With an Empty HMAC Key (CVE-2026-120459)
python-jose through 3.5.0 accepts an empty HMAC secret, so a forged JWT verifies when the application's key resolves to empty; no fixed release.
Nov 09, 2026
Flowise RCE Exploited by the Greeter Framework (CVE-2024-58351)
Flowise before 2.1.4 lets overrideConfig replace the JavaScript of a Custom JS Function node; the...
Nov 08, 2026
OpenAM Session Token Theft and SAML Bypass (CVE-2026-123551)
OpenAM before 16.1.4 leaks live session tokens and accepts unsigned SAML assertions, letting unau...
Nov 08, 2026
Cronicle Task Scheduler Privilege Escalation (CVE-2026-85076)
A non-admin Cronicle user can inject environment variables through event params and run code in a...
Nov 07, 2026
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Latest from Engineering, Product & SecurityThe True Cost of False Positives: Calculating the Engineering Tax of Noisy Scanners
False positives are an engineering-capacity problem, not only a scanner-quality problem. Learn how to measu...
Sep 28, 2026
When Does an AI Scanner Become an AI Pentest?
Learn what separates AI-powered scanning from AI pentesting and how Ostorlab Deep Agentic Scan follows evid...
Jul 22, 2026
Source Code Security: From Signal to Validated Risk | Ostorlab
Learn how source code security testing works, why traditional SAST creates false positives, and how agentic...
Jul 16, 2026
Ostorlab vs. Manual Pentesting: More Critical Findings, Less Time, Lower Cost
Ostorlab reports more critical findings, shorter testing time, and assessment costs of one-tenth to one-for...
Oct 28, 2026
How to Vet a Third-Party Mobile App Before You Allow It in Your Company
A five-step mobile app vetting checklist for security teams (permissions, trackers, malware, data flows, st...
Oct 27, 2026
Precheck: Know Your Mobile Scan Will Work Before It Runs for Hours
Precheck verifies that a mobile app installs, launches, logs in and runs its UI prompts on a real device. W...
Oct 27, 2026
Does AI Security Testing Hallucinate? LLM Guesses vs. Proof-of-Exploit
Language models hallucinate by default, and security findings are no exception. See why, and the harness, e...
Nov 09, 2026
Ostorlab vs MobSF: Analyst-Driven vs AI-Driven Mobile Security Testing (2026)
Ostorlab vs MobSF (Mobile Security Framework) for mobile app security testing: static and dynamic analysis,...
Oct 07, 2026
Ostorlab vs Oversecured: Mobile App Security Testing Compared (2026)
Ostorlab vs Oversecured for mobile app security testing: iOS and Android coverage, exploit proof, authentic...
Oct 07, 2026
Changelog
View all changesOctober 2026: From Security Findings to Tested Fixes
Oct 17, 2026
The Breach Brief Newsletter
Offensive AI and cybersecurity breakdowns curated by Ostorlab every two weeks.