CVE-2026-63220 json
CodeIgniter: Spoofable forwarded HTTPS headers in IncomingRequest::isSecure()
published 3mo ago modified 2mo ago also EUVD-2026-51396 , GHSA-7wmf-pw8j-mc78
- cvss
- 4.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 6%
- public exploits
- 0
- none known
Summary
CodeIgniter is a PHP full-stack web framework. In versions prior to 4.7.4, IncomingRequest::isSecure() trusted the X-Forwarded-Proto and Front-End-Https headers from any incoming request, allowing an attacker could spoof these headers and cause the application to incorrectly treat an HTTP request as secure. This may have impacted applications that rely on isSecure(), force_https(), forceGlobalSecureRequests, or similar logic to enforce HTTPS-only access or make security-sensitive decisions. Exploitability depends on deployment configuration. Applications are most exposed if the backend is reachable directly over HTTP, or if a reverse proxy/load balancer forwards client-supplied forwarding headers without stripping or overwriting them. This issue has been fixed in version 4.7.4.
Patch / fix
- packagist codeigniter4/framework 4.7.4
- codeigniter codeigniter 4.7.4
Is CVE-2026-63220 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 6% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
| GitHub | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | codeigniter4/framework | <4.7.4 |
4.7.4 |
Affected products
- codeigniter4 CodeIgniter4
Classification
- Weakness
-
- CWE-348 Use of Less Trusted Source
References
-
github.com
/codeigniter4/CodeIgniter4/commit/ecbf044666bed41d23f07518096d9843fe6c08b0
web
-
github.com
/codeigniter4/CodeIgniter4/security/advisories/GHSA-7wmf-pw8j-mc78
web
-
github.com
/codeigniter4/CodeIgniter4/releases/tag/v4.7.4
web
-
nvd.nist.gov
/vuln/detail/CVE-2026-63220
advisory
-
github.com
/codeigniter4/CodeIgniter4
package
Sources
- CVE List CVE-2026-63220
- GitHub Advisory GHSA-7wmf-pw8j-mc78
- NVD CVE-2026-63220
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.