CISA urges federal agencies to patch PHP vulnerabilities within days

What happened

- CISA placed the recently disclosed PHP bugs on the KEV list. - The agency did not disclose the specific exploitation activity observed. - Federal agencies were instructed to deploy patches within a matter of days. - Failure to remediate could increase exposure to active attacks.

Why it matters

Any federal IT unit that runs PHP must prioritize patching now, as the KEV listing signals heightened threat activity and may trigger further CISA oversight.

Business impact

Delays in patching could lead to system compromise, forcing incident response and potential service disruption across agencies.

What to check

1. 1

   apply php patchesCritical priority

   Deploy the latest security updates for all PHP installations within the agency's network within the next few days.

2. 2

   verify remediationHigh priority

   Confirm that patches are successfully installed and that no vulnerable versions remain in production.

3. 3

   update asset inventoryMedium priority

   Record the patched PHP versions in the agency's software inventory to maintain compliance with CISA directives.