InfoSecBulletin Cybersecurity for mankind
CISA added four security flaws to its Known Exploited Vulnerabilities (KEV) catalog on Monday due to evidence of active exploitation.
The list of flaws is as follows:
Rapid7 Unveils 17 Zimbra Collaboration Suite Flaws Breaking Identity Boundaries
CISA launched two free tools Identify Security Misconfig in Microsoft 365 and Google Workspace
Apple iOS 27.2 Released Fixes 163 Flaws, Including Critical WebKit RCE
CISA adds PHP2Shell to KEV, PHP Releases New Security Updates to Fix Critical HTTP2Shell flaw
Cloudflare Unveils Emergency WAF Ruleset Update on Brotli flaw
Daily Cyber security update for 26.10. 2026
The Washington Post report
Ex-DOGE AI startup Cathedral Breaches Anthropic Internal Systems within 12 Hours
Daily Cyber security update for 25. 10. 2026
Daily Cyber security update for 24. 10. 2026
PHP shares new RCE flaw (CVE 2026-115560) with no patch but mitigation
CVE-2014-3931 (CVSS score: 9.8) A buffer overflow vulnerability in Multi-Router Looking Glass (MRLG) that could allow remote attackers to cause an arbitrary memory write and memory corruption.
CVE-2016-10033 (CVSS score: 9.8) A command injection vulnerability in PHPMailer that could allow an attacker to execute arbitrary code within the context of the application or result in a denial-of-service (DoS) condition.
CVE-2019-5418 (CVSS score: 7.5) A path traversal vulnerability in Ruby on Rails’ Action View that could cause contents of arbitrary files on the target system’s file system to be exposed
CVE-2019-9621 (CVSS score: 7.5) A Server-Side Request Forgery (SSRF) vulnerability in the Zimbra Collaboration Suite that could result in unauthorized access to internal resources and remote code execution.
No public reports exist on the exploitation of the first three vulnerabilities in real attacks. However, Trend Micro linked the exploitation of CVE-2019-9621 to a Chinese threat actor named Earth Lusca in September 2023, who used it to deploy web shells and Cobalt Strike.
