PatchClock

PHP security digest

Last week's vulnerabilities in Composer packages

Every Monday, the advisories published the week before, those already exploited in the wild first, then the most serious and most installed. A weekly overview, not an alarm: to hear within a day when one hits a dependency your product ships, PatchClock watches them for you.

12 Oct 2026 6 advisories, 2 critical or high Two high-severity advisories stand out this week. Unbounded response header buffering in react/http can exhaust memory and cause denial of service. In leantime/... 5 Oct 2026 13 advisories, 2 critical or high Critical cross-site scripting in contao/comments-bundle leads this week. Update it to 5.3.50 or 5.7.12. In Kunstmaan CMS, authenticated administrators can bypas... 28 Sep 2026 6 advisories, 2 critical or high This week’s six advisories include two high-severity issues: denial of service in league/commonmark’s GitHub Flavored Markdown Table extension and remote code e... 21 Sep 2026 23 advisories, 15 critical or high This week’s critical advisory is an unauthenticated account takeover in fof/oauth through unverified email trust in its Discord OAuth provider. Update fof/oauth... 14 Sep 2026 39 advisories, 18 critical or high Critical SQL injection in cakephp/database and cakephp/cakephp leads this week. Update both packages to the fixed release for your branch: 4.5.12, 4.6.5, 5.1.9,... 7 Sep 2026 15 advisories, 11 critical or high Critical injection flaws lead this week. predis/predis allows Redis command injection and denial of service through CRLF smuggling in pipelined commands on aggr...