Threat actors have been observed attempting to exploit a now-patched critical security flaw impacting the Realtek Jungle software development kit (SDK) to deploy a botnet malware called Cling. “Cling is notable not because it introduces a new propagation technique, but because it repurposes ordinary STUN behavior into a practical command-and-control channel,” Nozomi Networks said in…
A blank field. A public repo. One reply to an email. A box left exposed. None of this sounds dramatic, which is partly the problem. This week’s threats keep finding leverage in small things that were easy to overlook. There are actively exploited bugs in the mix, cleaner intrusion paths, smarter automation, and a long…
Following many recent disclosures about AI agents accessing third-party websites and services, the Wikimedia Foundation, which hosts Wikipedia, says that it “can confirm that we have discovered some activity” by “rogue” OpenAI agents on Wikimedia platforms. The activity includes edits to Wikimedia wikis, “unsuccessful attempts” to “exploit” the Etherpad note-taking tool that the Wikimedia Foundation…
Citrix has confirmed that a new zero-day vulnerability, CVE-2026-88779, emerged just days after two other exploited flaws were patched. The post Exploitation of Citrix NetScaler Zero-Day Hits Appliances Patched Days Earlier appeared first on SecurityWeek.
More than 730 cyber breaches affected over 270 million Americans last year, costing an average of $10 million per breach. The post Senate Passes Bipartisan Bill to Strengthen Healthcare Cybersecurity appeared first on SecurityWeek.
CVE-2026-61500 allows attackers to recover the session-cookie signing key and gain administrative access and RCE. The post Exploitation Hits Rejetto HFS Vulnerability Discovered by AI appeared first on SecurityWeek.
Citrix has released security updates for a high-severity security flaw in NetScaler ADC and Citrix NetScaler Gateway that has been exploited as part of targeted zero-day attacks. The vulnerability, tracked as CVE-2026-88779, carries a CVSS score of 8.7 out of 10.0. “CVE-2026-88779 is a memory overflow vulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway…
A critical security flaw impacting Rejetto HTTP File Server (HFS) is witnessing active exploitation attempts, according to VulnCheck. The vulnerability in question is CVE-2026-61500 (CVSS score: 9.3), a case of session forgery stemming from the use of a weak pseudo-random number generator (PRNG) that can lead to a predictable key, which an attacker can then…
South Korea’s financial regulator ordered every bank, card issuer, and savings institution in the country to inspect their externally exposed IT systems after a fast-moving wave of data breaches hit at least four major lenders in four days. The Financial Services Commission (FSC) issued the sector-wide directive on October 2, 2026, following disclosures from Shinhan…
CISA has added one new vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog, based on evidence of active exploitation. CVE-2026-88779 Citrix NetScaler Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability This type of vulnerability is a frequent attack vector for malicious cyber actors and poses significant risks to the federal enterprise. Binding…