On the Effectiveness of Mutational Grammar Fuzzing

Posted by Ivan Fratric Mutational grammar fuzzing is a fuzzing technique in which the fuzzer uses a predefined grammar that describes the structure of the samples. When a sample gets mutated, the mutations happen in such a way that any resulting samples still adhere to the grammar rules, thus the...

GHSA-WCCX-J62J-R448 Fickling has `always_check_safety()` bypass: pickle.loads and _pickle.loads remain unhooked

Assessment The missing pickle entrypoints pickle.loads, pickle.loads, and pickle.load were added to the hook https://github.com/trailofbits/fickling/commit/8c24c6edabceab156cfd41f4d70b650e1cdad1f7. Original report Summary fickling.alwayschecksafety does not hook all pickle entry points...

GHSA-WPPH-CJGR-7C39 OpenClaw's typed sender-key matching for toolsBySender prevents identity-collision policy bypass

Summary channels..groups..toolsBySender could match a privileged sender policy using a colliding mutable identity value for example senderName or senderUsername when deployments used untyped keys. The fix introduces explicit typed sender keys id:, e164:, username:, name:, keeps legacy untyped key...

GHSA-659F-22XC-98F2 OpenClaw hook transform path containment missed symlink-resolved escapes

Vulnerability Webhook transform modules were validated with lexical path checks only. A symlink under the allowed hooks transform tree could resolve outside the intended directory and be dynamically imported. Affected Packages / Versions - Package: openclaw npm - Affected versions: = 2026.2.21-2 ...

GHSA-3PXQ-F3CP-JMXP OpenClaw: Unified root-bound write hardening for browser output and related path-boundary flows

Summary A path-confinement bypass in browser output handling allowed writes outside intended roots in openclaw versions up to and including 2026.3.1. The fix unifies root-bound, file-descriptor-verified write semantics and canonical path-boundary validation across browser output and related...

GHSA-R65X-2HQR-J5HF OpenClaw: Node reconnect metadata spoofing could bypass platform-based node command policy

Summary A paired node device could reconnect with spoofed platform/deviceFamily metadata and broaden node command policy eligibility because reconnect metadata was accepted from the client while these fields were not bound into the device-auth signature. Affected Packages / Versions - Package:...

PT-2026-26420

Summary channels..groups..toolsBySender could match a privileged sender policy using a colliding mutable identity value for example senderName or senderUsername when deployments used untyped keys. The fix introduces explicit typed sender keys id:, e164:, username:, name:, keeps legacy untyped key...

Security Bulletin: IBM Rational Developer for i is affected by a memory exhaustion loop (CVE-2024-4068)

Summary A package included in the Code Coverage functionality of IBM Rational Developer for i is vulnerable to malicious input causing a crash of the program due to memory exhaustion loop as described in the vulnerability details section. Vulnerability Details CVEID:CVE-2024-4068 DESCRIPTION: The...

Threat modeling AI applications

Proactively identifying, assessing, and addressing risk in AI systems We cannot anticipate every misuse or emergent behavior in AI systems. We can , however, identify what can go wrong, assess how bad it could be, and design systems that help reduce the likelihood or impact of those failure modes...

MulCovFuzz: A Multi-Component Coverage-Guided Greybox Fuzzer for 5G Protocol Testing

As mobile networks transition to 5G infrastructure, ensuring robust security becomes more important due to the complex architecture and expanded attack surface. Traditional security testing approaches for 5G networks rely on black-box fuzzing techniques, which are limited by their inability to...

Automatic, Expressive, and Scalable Fuzzing with Stitching

Fuzzing is a powerful technique for finding bugs in software libraries, but scaling it remains difficult. Automated harness generation commits to fixed API sequences at synthesis time, limiting the behaviors each harness can test. Approaches that instead explore new sequences dynamically lack the...

The CTI Echo Chamber: Fragmentation, Overlap, and Vendor Specificity in Twenty Years of Cyber Threat Reporting

Despite the high volume of open-source Cyber Threat Intelligence CTI, our understanding of long-term threat actor-victim dynamics remains fragmented due to the lack of structured datasets and inconsistent reporting standards. In this paper, we present a large-scale automated analysis of open-sour...

TRACE: Timely Retrieval and Alignment for Cybersecurity Knowledge Graph Construction and Expansion

The rapid evolution of cyber threats has highlighted significant gaps in security knowledge integration. Cybersecurity Knowledge Graphs CKGs relying on structured data inherently exhibit hysteresis, as the timely incorporation of rapidly evolving unstructured data remains limited, potentially...

DyMA-Fuzz: Dynamic Direct Memory Access Abstraction for Re-Hosted Monolithic Firmware Fuzzing

The rise of smart devices in critical domains--including automotive, medical, industrial--demands robust firmware testing. Fuzzing firmware in re-hosted environments is a promising method for automated testing at scale, but remains difficult due to the tight coupling of code with a...

[SECURITY] [DLA 4470-1] phpunit security update

----------------------------------------------------------------------- Debian LTS Advisory DLA-4470-1 [email protected] https://www.debian.org/lts/security/ Utkarsh Gupta February 06, 2026 https://wiki.debian.org/LTS -...

Fedora 42 : phpunit8 (2026-8a7678fa99)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-8a7678fa99 advisory. Version 8.5.52 - 2026-01-27 Changed To prevent Poisoned Pipeline Execution PPE attacks using prepared .coverage files in pull requests, a PHPT test will no...

Fedora 42 : phpunit9 (2026-a1cb6b0f95)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-a1cb6b0f95 advisory. Version 9.6.34 - 2026-01-27 Fixed Regression introduced in PHPUnit 9.6.33 ---- Version 9.6.33 - 2026-01-27 Changed To prevent Poisoned Pipeline Execution PPE...

Fedora 42 : phpunit10 (2026-1d1c8f5df2)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-1d1c8f5df2 advisory. Version 10.5.63 - 2026-01-27 Fixed Regression introduced in PHPUnit 9.6.33 ---- Version 10.5.62 - 2026-01-27 Changed To prevent Poisoned Pipeline Execution P...

Debian dla-4470 : phpunit - security update

The remote Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4470 advisory. - ----------------------------------------------------------------------- Debian LTS Advisory DLA-4470-1 [email protected] https://www.debian.org/lts/security/...

Fedora 42 : phpunit11 (2026-c3b42a28dd)

The remote Fedora 42 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-c3b42a28dd advisory. Version 11.5.50 - 2026-01-27 Changed To prevent Poisoned Pipeline Execution PPE attacks using prepared .coverage files in pull requests, a PHPT test will no...