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

No impact listedStatus: monitoringeditedStarted Not resolved4 updateswww.akamaistatus.com (opens in new tab)

CVEs mentioned

Only CVEs the vendor’s text names by id, or that its notice says it is not affected by. A mention is not a statement that the vulnerability caused this incident.

Timeline of updates

  1. investigating

    Akamai is aware of the recently published F5/NGINX vulnerabilities (CVE-2026-15176, CVE-2026-97205, and CVE-2026-93479), and our teams are 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, we recommend following guidance from F5/NGINX and applying available patches.We will post more details for customers and partners with a valid Control Center login at https://community.akamai.com/customers/s/group/0F90f000000DFgx/service-incident-notifications (opens in new tab) as additional information becomes available. If you have questions or are experiencing an impact due to this issue, please use the Support Center on Akamai Community, or Akamai Control Center, to contact Akamai Technical Support. Contact information is available at https://www.akamai.com/us/en/support/ (opens in new tab).

  2. identified

    Akamai continues to investigate the potential impact of the recently published F5/NGINX vulnerabilities (CVE-2026-15176, CVE-2026-97205, and CVE-2026-93479) across our platform and infrastructure. Our teams are taking action where necessary and will provide additional updates as more information becomes available.Customers and partners with a valid Control Center login can find more details at https://community.akamai.com/customers/s/group/0F90f000000DFgx/service-incident-notifications.If (opens in new tab) you have questions or are experiencing impact related to this issue, please use the Support Center on Akamai Community or Akamai Control Center to contact Akamai Technical Support. Contact information is available at https://www.akamai.com/us/en/support/ (opens in new tab).

  3. monitoring

    Akamai continues to investigate the potential impact of the recently published F5/NGINX vulnerabilities (CVE-2026-15176, CVE-2026-97205, and CVE-2026-93479) across our platform and infrastructure.As part of our initial assessment, we included EAA, MFA, and SIA in the affected component selection. Based on our investigation to date, we have determined that these offerings are not vulnerable to these CVEs and have updated the affected component selection accordingly. We apologize for any concern this may have caused.Our teams continue to monitor the situation closely and respond where necessary. We will update the affected components as our investigation progresses.Customers and partners with a valid Control Center login can find more details at https://community.akamai.com/customers/s/group/0F90f000000DFgx/service-incident-notifications.If (opens in new tab) you have questions or are experiencing impact related to this issue, please use the Support Center on Akamai Community or Akamai Control Center to contact Akamai Technical Support. Contact information is available at https://www.akamai.com/us/en/support/ (opens in new tab).

  4. monitoring

    Akamai continues to investigate the potential impact of the recently published F5/NGINX vulnerabilities (CVE-2026-15176, CVE-2026-97205, and CVE-2026-93479) across our platform and infrastructure. Customers and partners with a valid Control Center login can find more details at https://community.akamai.com/customers/s/group/0F90f000000DFgx/service-incident-notifications (opens in new tab). If you have questions or are experiencing impact related to this issue, please use the Support Center on Akamai Community or Akamai Control Center to contact Akamai Technical Support. Contact information is available at https://www.akamai.com/us/en/support/ (opens in new tab).

Changes Rewindex caught on this incident

Archive proof

Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves these records existed by then and have not been changed since, by anyone, Rewindex included.

How the archive is checked, and what it cannot prove.

Impact, status and times are the vendor’s own, as last archived. View on www.akamaistatus.com (opens in new tab).

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