CVE-2026-26065 calibre: Path Traversal can Lead to Arbitrary File Write and Potential Code Execution

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal through PDB readers both 132-byte and 202-byte header variants that allow arbitrary file writes with arbitrary extension and arbitrary...

CVE-2026-26065

calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal through PDB readers both 132-byte and 202-byte header variants that allow arbitrary file writes with arbitrary extension and arbitrary...

Linux Distros Unpatched Vulnerability : CVE-2026-26065

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - calibre is a cross-platform e-book manager for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are vulnerable to Path Traversal...

PT-2026-20989

Name of the Vulnerable Software and Affected Versions calibre versions 9.2.1 and below Description calibre is a cross-platform e-book manager used for viewing, converting, editing, and cataloging e-books. Versions 9.2.1 and below are susceptible to a Path Traversal issue through PDB readers,...

OpenClaw inter-session prompts could be treated as direct user instructions

Summary Inter-session messages sent via sessionssend could be interpreted as direct end-user instructions because they were persisted as role: "user" without provenance metadata. Affected Packages / Versions - Package: openclaw npm - Affected versions: = 2026.2.13 Impact A delegated or internal...

GHSA-W5C7-9QQW-6645 OpenClaw inter-session prompts could be treated as direct user instructions

Summary Inter-session messages sent via sessionssend could be interpreted as direct end-user instructions because they were persisted as role: "user" without provenance metadata. Affected Packages / Versions - Package: openclaw npm - Affected versions: = 2026.2.13 Impact A delegated or internal...

Azure Linux 3.0 Security Update: libarrow (CVE-2024-52338)

The version of libarrow installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-52338 advisory. - Deserialization of untrusted data in IPC and Parquet readers in the Apache Arrow R package versions 4.0.0...

AI-Powered Surveillance in Schools

It all sounds pretty dystopian: Inside a white stucco building in Southern California, video cameras compare faces of passersby against a facial recognition database. Behavioral analysis AI reviews the footage for signs of violent behavior. Behind a bathroom door, a smoke detector-shaped device...

A week in security (January 5 – January 11)

Last week on Malwarebytes Labs: pcTattletale founder pleads guilty as US cracks down on stalkerware Are we ready for ChatGPT Health? CISA warns of active attacks on HPE OneView and legacy PowerPoint Lego’s Smart Bricks explained: what they do, and what they don’t Fake WinRAR downloads hide malwar...

ALPRs are recording your daily drive (Lock and Code S06E26)

This week on the Lock and Code podcast … There's an entire surveillance network popping up across the United States that has likely already captured your information, all for the non-suspicion of driving a car. Automated License Plate Readers, or ALPRs, are AI-powered cameras that scan and store ...

EUVD-2022-55882

In the Linux kernel, the following vulnerability has been resolved: ipv6: ensure sane device mtu in tunnels Another syzbot report 1 with no reproducer hints at a bug in ip6gre tunnel dev:ip6gretap0 Since ipv6 mcast code makes sure to read dev-mtu once and applies a sanity check on it see commit...

PT-2026-23033

Name of the Vulnerable Software and Affected Versions NLTK versions up to and including 3.9.2 Description A flaw exists in NLTK that permits arbitrary file reading through path traversal in several CorpusReader classes, such as WordListCorpusReader, TaggedCorpusReader, and BracketParseCorpusReade...

A week in security (November 17 – November 23)

Last week on Malwarebytes Labs: AI teddy bear for kids responds with sexual content and advice about weapons Fake calendar invites are spreading. Here’s how to remove them and prevent more Budget Samsung phones shipped with unremovable spyware, say researchers What the Flock is happening with...

What the Flock is happening with license plate readers?

You’re driving home after another marathon day of work and kid-shuttling, nursing a lukewarm coffee in a mug that's trying too hard. As you turn onto your street, something new catches your eye. It's a tall pole with a small, boxy device perched on top. But it's not a bird-house and there's no...

Examining the Security Posture of an Anti-Crime Ecosystem

Whitepaper called Examining the security posture of an Anti-Crime Ecosystem. The prevalence of anti-crime technology has seen a steep incline in the past few years. Since the introduction of cell phones, the expectation of privacy has gone steeply down. With that in mind, independent security...

A week in security (November 3 – November 9)

Last week on Malwarebytes Labs: Malwarebytes scores 100% in AV-Comparatives Stalkerware Test 2025 Fake CAPTCHA sites now have tutorial videos to help victims install malware Hackers commit highway robbery, stealing cargo and goods Android malware steals your card details and PIN to make instant A...

Malwarebytes aces PCMag Readers’ Choice Awards and AVLab Cybersecurity Foundation tests

Malwarebytes proudly topped three categories in PCMag’s 2025 Readers’ Choice Awards, recognized for exceptional protection and user satisfaction. We also earned the latest badge from AVLab Cybersecurity Foundation’s September “Advanced In-The-Wild Malware Test” by blocking 100% of malware samples...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ipv6: preventing infinite loops in rt6nlmsgsize During testing of the previous patch, I was able to trigger an infinite loop in rt6nlmsgsize at the following location: listforeachentryrcusibling, &f6i-fib6siblings, fib6siblings...

CVE-2025-11998

The following HP Card Readers B Models X3D03B & Y7C05B are potentially vulnerable to information disclosure, allowing prior user identity to be inherited under certain conditions —e.g., when an NFC device such as a smartphone/smartwatches is in proximity during a card swipe event...

CVE-2025-11998

The following HP Card Readers B Models X3D03B & Y7C05B are potentially vulnerable to information disclosure, allowing prior user identity to be inherited under certain conditions —e.g., when an NFC device such as a smartphone/smartwatches is in proximity during a card swipe event...