SOCRadar's Threat Research Unit (STRU) found open directories on 45.227.254.43 in late September 2026. They led to six more adversary servers tied to INC Ransom and The Gentlemen affiliates. The servers held 8,257 AI messages across 133 sessions, source code, stolen credentials, victim workspaces and 46 victim-specific INC encryptor build…
CISA added one vulnerability to its Known Exploited Vulnerabilities (KEV) Catalog on 2026-09-25 based on evidence of active exploitation: CVE-2026-87902, a remote file inclusion flaw in WordPress Core. CISA describes this vulnerability type as a frequent attack vector for malicious cyber actors and a significant risk to the federal enterp…
Hacktron analyzes wp2shell, an unauthenticated RCE chain in WordPress core found by Searchlight Cyber. It combines CVE-2026-63030, a route handler confusion in the REST API batch endpoint, with CVE-2026-60137, an SQL injection in WPQuery. Affected versions are WordPress 6.9.0-6.9.4, 7.0.0-7.0.1 and the 7.1 beta, fixed in 6.9.5, 7.0.2 and …
A joint advisory (AA26-194a) from NSA, CISA, FBI, DC3 and 15 allied agencies warns that Russian FSB Center 16 cyber actors continue to opportunistically compromise poorly configured and vulnerable networking devices worldwide, primarily routers. The advisory builds on the FBI's August 2025 PSA on the decade-plus campaign and adds TTPs. Go…
AI pen-testing startup Terra Security reports a sharp rise in security fixes later found to be bypassed or incomplete. The share of GitHub security fixes needing a follow-up advisory for a failed patch within 90 days held near 0.2% from 2019 to 2025 but jumped to 2.3% in 2026. Terra links the trend to the 2026 explosion in AI-driven vulne…
F5 Labs analyzed exploitation of CVE-2026-24423, a CVSS 9.8 unauthenticated remote code execution flaw in SmarterTools SmarterMail (CWE-306). CISA added it to the KEV catalog on February 2, 2026 and notes it has been used in ransomware campaigns. Despite public write-ups, F5 sensors saw only one IP, 193.24.123.58 (ASN 200593, Russian ISP …
F5 Labs, using Efflux sensor telemetry, reports that CVE-2023-1389, an RCE in TP-Link Archer AX21 routers, was the most scanned-for CVE in December 2024 for the fifth consecutive month, with traffic far above any other tracked CVE. Other heavily scanned flaws include CVE-2022-24847 (GeoServer), CVE-2022-22947 (Spring Cloud Gateway), CVE-2…
This weekly recap covers several concurrent incidents. ConnectWise disabled seven application identities and suspended Cloud Backup after unknown actors abused them to compromise Microsoft 365 tenants. China-nexus Armory Castle (UNC5221 / Warp Panda) exploited BeyondTrust Remote Support flaw CVE-2026-102764 (CVSS 9.3) as a zero-day in lat…
F5 Labs, using Efflux sensor telemetry, analyzed December 2025 exploitation of React2Shell (CVE-2025-55182), a CVSS 10.0 unsafe deserialization RCE in React Server Components. It was disclosed on 3 December 2025 and rose to second place among the most exploited CVEs, behind only CVE-2017-9841. Within days of disclosure, actors moved from …
F5 Labs reports a scanning campaign observed on its Honeynet in March 2026. It recorded 1,897 session-grouped attempts (2,821 raw events) tied to CVE-2018-14028, a WordPress 4.9.7 unrestricted file upload flaw, and the CVE entered the monthly top 10 after being absent in February. Instead of exploiting the upload flaw, the operator probes…
F5 Labs honeynet telemetry shows overall hostile activity rising 55.5% month over month in June 2026, a return to the levels of the earlier-year spike. Highlighted is CVE-2024-44000, an unauthenticated account takeover flaw (CVSS 9.8, CWE-522) in the LiteSpeed Cache WordPress plugin, which rose by 1,128 to 2,603 attacks (8). Scanning is i…