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Government services temporarily offline to address PHP cybersecurity vulnerability

October 22, 2026
1 min read
Government services temporarily offline to address PHP cybersecurity vulnerability

Cybersecurity concerns lead to temporary downtime of limited government services

Some “limited” government services may temporarily be offline as work is carried out to address potential cybersecurity issues, reports BritPanorama.

Organisations globally are mobilising to rectify a critical security flaw identified in the programming language PHP, employed by a significant proportion of websites. Despite these concerns, a spokeswoman from Downing Street confirmed that no large UK public-facing critical services have been impacted as of Thursday.

According to officials, measures have been implemented across government to identify and rectify potential vulnerabilities. “Work has already taken place across Government to identify and fix potential exposures to our systems, and our experts are continuing to work closely with both OpenAI and international partners on this issue,” she stated.

While emphasizing that no major public-facing critical services are currently affected, the spokeswoman noted that certain services may experience temporary outages during the security work. “But this does not mean they were hacked, and work continues to resolve any issues,” she added.

This development follows warnings from cybersecurity chiefs earlier in the week regarding a “critical security issue” with PHP, which, according to cybersecurity firm Cloudflare, powers nearly 70% of websites.

The absence of a detailed list of affected government services falls in line with the official’s indication that providing such specifics is not “standard practice.”

As the situation unfolds, it remains vital for organisations to address vulnerabilities swiftly to maintain system integrity and user trust.

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