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CVE-2026-26365

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a41ab5bd10ed2e3689cd0543c46f5db75e75851e3715d1ad5f134255ddc2f8da
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"Ghost","vendor":"Akamai","versions":[{"lessThan":"2026-02-06","status":"affected","version":"0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9c68df04593d364344d3e83a1c3b964a6880319cbfefffb5869fae09fa1c6b6f · sha256:785ab9b389eff96c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:9c68df04593d364344d3e83a1c3b964a6880319cbfefffb5869fae09fa1c6b6f · sha256:785ab9b389eff96c… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-444","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:9c68df04593d364344d3e83a1c3b964a6880319cbfefffb5869fae09fa1c6b6f · sha256:785ab9b389eff96c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://www.akamai.com/blog/security-research/cve-2026-26365-incorrect-processing-connection-transfer-encoding"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9c68df04593d364344d3e83a1c3b964a6880319cbfefffb5869fae09fa1c6b6f · sha256:785ab9b389eff96c… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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