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Customer Security Advisory: Critical F5/NGINX Out-of-Band Vulnerabilities

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F5/NGINX out-of-band vulnerabilities CVE-2026-15176, CVE-2026-97205, and CVE-2026-93479 may affect Akamai Cloud (Linode) platform and infrastructure components. Akamai Cloud (Linode) reports that it is investigating the potential impact. F5 released patches. Akamai Cloud (Linode) recommends that customers who run a vulnerable NGINX Open Source or NGINX Plus version on a Linode instance apply the available patches.

A language model wrote this summary from the updates of Akamai Cloud (Linode).

State

Investigating

Started

9 d ago

2026-10-22 20:08 UTC

Ongoing for

9 days

Worst impact

Notice

Timeline

1 update
Oct 22Oct 25Oct 27Oct 29Nov 1
NoticeUpdate postedDates in UTC

Investigating

9 days 100%

Updates

Times in UTC

As posted by Akamai Cloud (Linode)

Investigating2026-10-31 21:45 UTC

Akamai is aware of the recently published F5/NGINX vulnerabilities (CVE-2026-15176, CVE-2026-97205, and CVE-2026-93479), and our teams are actively investigating their potential impact across our platform and infrastructure. F5 has released out-of-band security patches addressing three critical severity vulnerabilities in NGINX Open Source and NGINX Plus. These vulnerabilities may allow unauthenticated attackers to trigger heap buffer overflows, which could cause a denial of service or potential remote code execution if ASLR is bypassed. If you are running a vulnerable version of NGINX Open Source or NGINX Plus on a Linode instance, we recommend following guidance from F5/NGINX and applying available patches. We will provide updates as additional information becomes available.

Akamai Cloud (Linode) in the last 90 days

Full history
90 days agoToday

Incidents in 90 days

5

Days with an incident

11

Median duration

Not enough data

This incident

Not comparable

How long each incident lasted, on the day it started. The outlined bar is this incident.

9 days
90 days agoToday

Other Akamai Cloud (Linode) incidents

All incidents

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