CVE-2026-26365 Other in Ghost
Attackers can exploit HTTP request smuggling via custom headers to cause origin servers to misinterpret request bodies, potentially leading to data exposure or modification.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-26365?
CVE-2026-26365 is a medium-severity vulnerability in Akamai Ghost, published on 23 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Akamai Ghost on Akamai CDN edge servers before 2026-02-06 mishandles processing of custom hop-by-hop HTTP headers, where an incoming request containing the header "Connection: Transfer-Encoding" could result in a forward request with invalid message framing, depending on the Akamai processing path. This could result in the origin server parsing the request body incorrectly, leading to HTTP request smuggling.
Weakness: CWE-444
Which versions are affected by CVE-2026-26365?
How do I fix CVE-2026-26365?
No fix has been published for CVE-2026-26365 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-26365 being exploited?
There is no known exploitation of CVE-2026-26365 in the wild and no public exploit code.
Sources
Also known as GHSA-fhhg-8jv8-7rcw.