Lead · Vulnerabilities
Four edge products were exploited yesterday. The catalogue gained one entry, and it was none of them
Cisco, Palo Alto, Ivanti and Collabora all reported real-world exploitation in the same window, while CISA's Known Exploited list added an Atlassian file-exposure bug with an EPSS of 0.02777.
Cisco warned that unauthenticated remote attackers can write arbitrary files to the operating system of Secure Email Gateway and execute commands with root privileges, and that it is being exploited. Palo Alto Networks shipped a fix for CVE-2026-0322, CVSS 8.6, a remote code execution flaw in the PAN-OS management interface, described by one report as an exploited zero-day and by another as authenticated and confined to the management plane, with the vendor saying it is aware of limited exploitation and publishing IoCs. Ivanti released emergency updates after attackers chained three Connect Secure zero-days, tracked around CVE-2026-104935, to reach root without authenticating. And threat actors are backdooring Nextcloud servers through CVE-2026-110447 in the Collabora Online built-in CODE Server app.
Against that, the Known Exploited Vulnerabilities catalogue added exactly one thing: CVE-2026-21589, a files-or-directories-accessible-to-external-parties flaw across Bitbucket, Confluence, Jira Service Management, Jira Software, Bamboo, Crowd, Crucible and Fisheye Data Center, carrying an EPSS of 0.02777. That is not a criticism of the catalogue. The catalogue is a record of evidence that has survived a process, and processes have a speed. It is a criticism of using it as your only clock, because by the time a thing is written down it has been true for a while, and the part of your estate that was exposed was exposed the whole time.
The honest ordering for this morning: anything of yours with a management interface answering the open internet, then the Nextcloud boxes, then Atlassian. A management interface on the public internet is a bedroom door with a doorbell on it. While you are in there, Drupal fixed a critical Field UI flaw on 14 October in 11.4.10, 11.3.19 and 10.6.19, Next.js shipped an out-of-band patch the same day for two critical unauthenticated RCEs, and NGINX released 1.30.6 and 1.31.7 for five issues, one of which has been present in every release since May 2005. Twenty-one years is not a vulnerability window. It is a tenancy.
Why it mattersPatch order today is exploitation evidence first, catalogue second: edge appliances with exposed management planes, then Nextcloud/Collabora, then Atlassian Data Center.
- 1Security newsCisco Warns of Exploited Secure Email Gateway Vulne…
- 2Security newsPalo Alto Networks Patches PAN-OS Zero-Day Exploite…
- 3Security newsPalo Alto Networks Patches PAN-OS Authenticated RCE…
- 4infosec.exchangePalo Alto Networks alerta sobre un fallo de RCE en…
- 5AlienVault OTXIvanti CVE-2026-104935: Zero-Day Chain Exploited in…
- 6RSSHackers exploit Collabora RCE flaw to backdoor Next…