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CVE-2026-26365

MEDIUM
4
CVSS Score
Published: February 23, 2026 at 12:00 AM UTC
Updated: June 17, 2026 at 10:26 AM UTC
1 product affected across 1 vendorGhost

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Severity
MEDIUM4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ghost· Akamai
60%
v < 2026-02-06
Affected range stops below 2026-02-06, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Source: cverecord
https://www.akamai.com/blog/security-research/cve-2026-26365-incorrect-processing-connection-transfer-encoding

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4MEDIUMmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-444

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