PHP Critical Vulnerabilities Leaked Before Patch

Seven padlocks on a steel rail, three rusted and four brass, one with a blue tag, under the headline Critical PHP Flaws Leaked Before the Patch

Two critical PHP vulnerabilities leaked before their patch, early attacks are reported, and the EU’s CERT says internet-facing applications may need to be isolated until it is installed. PHP’s security team released the fix on October 21 at 14:00 UTC (16:00 CEST). Both flaws are rated CVSS v4.0 9.2, and researchers report remote code execution.…

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Nextcloud Collabora Vulnerability Exploited

Nextcloud Collabora Built-in CODE Server vulnerability CVE-2026-110447 exploited to plant web shells, October 2026

A Nextcloud Collabora vulnerability in the optional Built-in CODE Server app has let attackers plant web shells on Nextcloud servers since September 10. Collabora fixed it on September 11 without a security notice, and the CVE (CVE-2026-110447) followed only on October 14. Disabling the app does not close the hole: update it or remove it.…

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Cisco Secure Email Gateway Zero-Day Exploited Again

Cisco Secure Email Gateway zero-day CVE-2026-76519: steel inspection box with an envelope in its slot and orange light leaking out

A Cisco Secure Email Gateway zero-day is under attack: one email with a crafted attachment lets an unauthenticated attacker write files and run commands as root. Cisco tracks it as CVE-2026-76519 (CVSS 9.8), and CISA added it to the Known Exploited Vulnerabilities catalog on October 14. It is the second Secure Email Gateway flaw exploited…

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Ivanti Connect Secure Zero-Day Chain Reaches Root

Ivanti Connect Secure zero-day chain CVE-2026-104935: a brushed-aluminium case with a broken blue tamper seal on a dark wooden floor, headline “Three Ivanti Zero-Days, One Root Shell”

Volexity found an Ivanti Connect Secure zero-day chain that gave one attacker unauthenticated root on a VPN appliance running the latest build at the time. Ivanti has fixed two of the three flaws. As of October 14, the third, the privilege escalation that turns a web-server foothold into root, has no fix. Ivanti’s own Integrity…

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AhsayCBS Backup Server Vulnerability Exploited

AhsayCBS backup server vulnerability under attack: Huntress says version 10.3.4 is affected too. Restrict the console and hunt for web shells now.

An AhsayCBS backup server vulnerability is being exploited, and the version everyone was told to install did not fix it. Huntress saw attackers chain two flaws from October 7 to run code as SYSTEM on exposed Ahsay Cloud Backup Servers. On October 8 it found that 10.3.4, the release the public CVE entries call fixed,…

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