Linux, open source, and security news from across the web.
A maximum-severity security flaw impacting on-premises versions of Arista VeloCloud Orchestrator (VCO) has come under active exploitation in the wild. The vulnerability, tracked as CVE-2026-16812 (CVSS score: 10.0), is a case of operating system command injection that could pave …
Arista has patched a maximum-severity command injection vulnerability in on-premises VeloCloud Orchestrator deployments that is being actively exploited in attacks. [...]
A proof-of-concept exploit for "Certighost," a Windows Active Directory Certificate Services vulnerability, has been released that can allow authenticated attackers to potentially compromise a Windows domain. [...]
Public exploit details released on July 27 show how an unauthenticated request can reach PHP's eval() function inside vBulletin and execute code on an unpatched forum server. The attack requires no account, administrative access, or interaction from another user. SSD Secure Discl…
Monday starts with the usual promise that everything is under control. Then the logs wake up. This week, trusted tools crossed lines, old flaws found new work, exposed systems stayed exposed, and attackers kept hiding inside normal-looking services. Nothing looked strange at firs…
Binary-based vulnerability scanning, penetration testing, and exploit generation are blocked in Opus 5. The post Anthropic’s Opus 5 Nears Mythos 5 on Finding Bugs, but Falls Short on Exploits appeared first on SecurityWeek.
Security researcher Yuhang Wu at depthfirst has published a working proof-of-concept (PoC) exploit that executes commands as git on an unpatched self-managed GitLab 18.11.3 server. An ordinary authenticated user triggers it by committing two crafted Jupyter notebooks and requesti…
A researcher has explained how an attacker could exploit these vulnerabilities to target industrial organizations. The post Rockwell Patches Code Execution Flaws in Arena Simulation Software appeared first on SecurityWeek.
Researchers H0j3n and Aniq Fakhrul published a working exploit on July 24 that lets a low-privileged Active Directory user obtain a certificate for a Domain Controller and authenticate as that machine. They codenamed the flaw Certighost. Because Domain Controller accounts carry d…
Slopsquatting, phantom squatting, and HalluSquatting all exploit the same late-binding attack pattern, where AI coding agents trust hallucinated package, repo, or domain names. ActiveState explains how pre-fetch verification and governed dependency management can help stop these …
Eight security flaws in NodeBB went public on Wednesday, along with the code to exploit them. Aikido Security rates all eight as high severity and says its AI pentest agents found them in a six-hour review of the forum software's source code. Every version before 4.14.0 is affect…
Redis shipped seven security releases on July 23 after researchers published authenticated RCE PoCs for stock Redis 6.2.22, 7.4.9, 8.6.4, and 8.8.0. All four chains require RESTORE. The Streams chains also need EVAL and XGROUP; the 8.8.0 chain needs EVAL and the bundled RedisBloo…
CISA is warning that the Russian state-sponsored hacking group Laundry Bear, also known as Void Blizzard, is targeting organizations using Zimbra Collaboration email servers by combining phishing attacks with the exploitation of a now-patched Zimbra vulnerability. [...]
International agencies issue joint alert over state-backed campaign exploiting a critical vulnerability in the Zimbra Collaboration Suite
You cannot out-patch a machine that writes a working exploit from a vulnerability description in twenty hours. Stop trying to optimize a game you cannot win. The post Is Patching Dead? Vulnerability Management in the Post-Mythos Era appeared first on SecurityWeek.
TL;DR: some addresses probe a CVE's exact exploit path weeks before an NVD entry or any public exploit tooling exists. We went through 30 million honeypot probes looking for them, built four checks to kill the false positives, and ended up with three actors we are confident about…
The vulnerability tracked as CVE-2026-16232 has been exploited against customers with certain configurations. The post New Check Point Zero-Day Vulnerability Exploited in the Wild appeared first on SecurityWeek.
Israeli cybersecurity firm Check Point Software has addressed an actively exploited zero-day flaw in the company's SmartConsole graphical user interface (GUI) admin panel. [...]
When the WP2Shell writeup came out recently (unauth RCE in WordPress core, CVE-2026-63030 + CVE-2026-60137), I read it a few times and still couldn't really understand the whole chain in my head. I personally don’t have a lot of experience with WP internals, so I had a lot of “wh…
Check Point has released security updates to address multiple vulnerabilities impacting Security Management and Multi-Domain Management (MDSM) products, including a critical flaw that has come under active exploitation in the wild. The security flaw, tracked as CVE-2026-16232 (CV…
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A high-severity security flaw impacting open-source developer platform Windmill has come under active exploitation in the wild, per VulnCheck. The vulnerability in question is CVE-2026-29059 (CVSS score: 7.5), a case of unauthenticated path traversal impacting Windmill's "get_log…
A third SharePoint Server flaw patched by Microsoft as part of its Patch Tuesday update for July 2026 has come under active exploitation, per watchTowr. The vulnerability in question is CVE-2026-50522 (CVSS score: 9.8), a critical deserialization of untrusted data in Microsoft Of…
Threat actors have been observed exploiting a now-patched high-severity Palo Alto Networks PAN-OS vulnerability as an entry point to deploy Qilin (aka Agenda) ransomware on victim environments. Arctic Wolf Labs said it investigated multiple intrusions in June 2026 that began with…
Every patch is a confession. The moment a vendor ships a security fix, the diff between the old code and the new code tells anyone watching exactly what was broken and where. Turn that diff back into a working exploit, and you can hit every system that hasn't updated yet. This is…
A cloud tenant using nothing but ordinary GPU access can push a data center's power draw up and down fast enough to threaten the grid it runs on, with no exploit and no break-in. That is the claim behind Bit2Watt, described by three Zhejiang University researchers in a paper acce…
Attackers have begun to exploit two critical vulnerabilities in WordPress that, when combined together, enable unauthenticated remote code execution (RCE) and complete compromise of vulnerable websites. The two security flaws, tracked as CVE-2026-63030 and CVE-2026-60137, have be…
Threat actors are now exploiting a recently disclosed critical security flaw impacting ServiceNow AI Platform, according to Defused Cyber. In a post shared on X, the threat intelligence firm said it's observing in-the-wild exploitation of CVE-2026-6875 (CVSS score: 9.5), a sandbo…
An anonymous reader quotes a report from TechCrunch: Hackers are breaking into websites that run vulnerable versions of the popular blogging software WordPress, according to several cybersecurity firms. One estimate puts the number of vulnerable WordPress websites at tens of mill…
A draft New Orleans Police Department drone manual briefly published online would have allowed police drones to carry weapons with written approval from the superintendent, according to 404 Media. NOPD says the document was only an early draft and that its current policy (PDF) ba…
A researcher who discovered a critical vulnerability in WordPress has used OpenAI’s latest model to develop an exploit chain
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Exploitation of the new WordPress vulnerabilities tracked as CVE-2026-60137 and CVE-2026-63030 started soon after disclosure. The post WP2Shell WordPress Vulnerabilities Exploited in the Wild appeared first on SecurityWeek.
Follow-up on the WordPress core pre-auth RCE. Searchlight Cyber held technical details at disclosure and Rapid7 predicted a PoC would land fast. It has. What's new: A working exploit is now public on GitHub, MIT-licensed with an "educational / authorized testing only" disclaimer,…
The White House recently announced the Gold Eagle Initiative, a new federal program designed to use AI to centralize, prioritize, and accelerate vulnerability patching across critical infrastructure, government agencies, and tech partners. Operating out of CMU's Software Engineer…
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A security researcher using the "Nightmare Eclipse" handle has released a Windows zero-day exploit dubbed LegacyHive that allows attackers to escalate privileges on up-to-date Windows systems. [...]
US government agencies have until July 19 to patch two critical Fortinet vulnerabilities
CISA on Thursday ordered government agencies to prioritize patching two actively exploited vulnerabilities in the Fortinet FortiSandbox threat detection platform. [...]
Attackers could exploit the bugs to modify configurations, terminate or restart processes, cross security boundaries, leak memory, and execute code. The post F5 Patches Multiple NGINX, BIG-IP Vulnerabilities appeared first on SecurityWeek.
The researcher stripped the proof-of-concept (PoC) exploit to prevent immediate exploitation of the vulnerability. The post Nightmare Eclipse Drops ‘LegacyHive’ Windows Zero-Day appeared first on SecurityWeek.
An anonymous reader quotes a report from Krebs on Security: Microsoft today released software updates to plug at least 570 security holes in its Windows operating systems and other software, almost triple the number of vulnerabilities the software giant fixed in its record-smashi…
Three vulnerabilities are actively exploited in attacks, including two that have been targeted as zero-days. The post CISA Urges Immediate Patching of Exploited SharePoint Vulnerabilities appeared first on SecurityWeek.
Mozilla has released updates to address two critical flaws in Firefox for which it warned that exploit code has been published. The vulnerabilities are listed below - CVE-2026-15718, an invalid pointer in the JavaScript: WebAssembly component CVE-2026-15719, a site isolation in t…
Progress has restored access to its ShareFile Storage Zones Controller after a four-day suspension triggered by a credible external security threat
Security researcher Chaotic Eclipse (aka Nightmare-Eclipse) has released a new proof-of-concept (PoC) exploit called LegacyHive. It has been described as a Windows User Profile Service arbitrary hive load elevation of privileges vulnerability. The Windows User Profile Service, al…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned Tuesday that attackers are actively exploiting three vulnerabilities to hack Internet-exposed on-premises SharePoint Server instances. [...]
Public exploit code targeting the Firefox flaws exists, but no in-the-wild exploitation has been observed. The post Critical Vulnerabilities Patched With Fresh Chrome 150, Firefox 152 Updates appeared first on SecurityWeek.
SonicWall has warned of active exploitation of two zero-day vulnerabilities impacting Secure Mobile Access (SMA) 1000 series appliances, one of which could be exploited to achieve arbitrary command execution. The vulnerabilities are listed below - CVE-2026-15409 (CVSS score: 10.0…
Many vulnerabilities cannot be safely validated with live exploits, either because no exploit exists or the affected systems are too critical to test. Picus explains how TTP chaining helps organizations determine exploitability by validating the attack techniques an exploit depen…
CISA and allied governments are warning users to secure their routers as Russian state-backed hackers continue compromising the devices and turning them into proxy nodes to disguise attacks against critical infrastructure. The advisory urges users to disable outdated SNMP version…
I wrote this after spending an unreasonable amount of time making CET-compliant callstack spoofing work end-to-end on hardware with Intel CET enabled. The technique combines three primitives: thread pool execution for a clean stack base, enum callback trampolining for a real sign…
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two maximum-severity security flaws impacting iCagenda and Balbooa extensions for Joomla to its Known Exploited Vulnerabilities (KEV) catalog, following reports of zero-day exploitation in the wild. The vu…
Researchers at the AI Now Institute developed a proof-of-concept exploit showing common AI tools used for security could backfire
Security firm Coinspect has disclosed a crypto wallet flaw it calls Ill Bloom, and attackers are already using it. The flaw is in how some wallet software generated its recovery phrase, the words that control the money. When that phrase is made with weak randomness, an attacker c…
Weeks after the exploit code dropped, Redmond has finally ships a fix for the Defender zero-day
Cybersecurity researchers have flagged a new ransomware family called GodDamn that employs the PoisonX kernel driver to neutralize security software as part of its defense evasion strategy. According to a new report published by the Threat Hunter Team from Symantec, the ransomwar…
Ask an AI coding agent to scan open-source code for security holes, and it might run the attacker's code on your own machine instead. That is the finding in a proof-of-concept published Wednesday by the AI Now Institute, an attack it calls "Friendly Fire." It works against Anthro…