Some tools (which are not using PHP) are back up. See more: https://wikitech.wikimedia.org/wiki/Talk:Incidents/2026-10-21_PHP_security_update/Community https://lists.wikimedia.org/hyperkitty/list/[email protected]/message/GO6ICTSJYMAL2VINTY3MZKGRMRCD7BCZ/
There is also an FAQ aimed at technical contributors on the progression of the work: https://wikitech.wikimedia.org/wiki/Incidents/2026-10-21_PHP_security_update/Community#FAQs Best, *Johan Jönsson*Manager, Movement Communications Wikimedia Foundation <https://wikimediafoundation.org/> On Wed, Oct 21, 2026 at 10:44 PM Johan Jönsson <[email protected]> wrote: > An update outlining the work to bring back affected tools: > > https://diff.wikimedia.org/2026/10/21/impact-of-php-vulnerabilities-on-wikimedia-cloud-services/ > > Best, > > > *Johan Jönsson*Manager, Movement Communications > Wikimedia Foundation <https://wikimediafoundation.org/> > > > On Wed, Oct 21, 2026 at 12:19 PM Johan Jönsson <[email protected]> > wrote: > >> Some updates on affected services are posted here: >> >> https://wikitech.wikimedia.org/wiki/Incidents/2026-10-21_PHP_security_update/Community >> >> Best, >> >> >> *Johan Jönsson*Manager, Movement Communications >> Wikimedia Foundation <https://wikimediafoundation.org/> >> >> >> On Wed, Oct 21, 2026 at 12:10 AM Johan Jönsson <[email protected]> >> wrote: >> >>> Hey everyone – due to a critical security advisory about the PHP >>> language <https://www.php.net/archive/2026.php#2026-10-20-1> (which we >>> depend on), many Wikimedia services are going to be affected. We are hoping >>> to avoid downtime to the wikis, but some supporting tools and services are >>> unfortunately going to be impacted. This is a complex operation on short >>> notice and we are still figuring out the details. More information will >>> come later this week. >>> >>> Best, >>> >>> >>> *Johan Jönsson*Manager, Movement Communications >>> Wikimedia Foundation <https://wikimediafoundation.org/> >>> >>
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