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TI-2025-38876 Aliases CVE-2025-62675GHSA-cm5j-986p-jqrj

HTTP response splitting in Fortinet FortiOS

Priority LOW 20CWE-113Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an attacker in possession of a valid web filter override token to inject arbitrary headers via tricking a user into clicking on a crafted link.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00271 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
FortinetFortiOS7.6.0 – 7.6.4; 7.4.0 – 7.4.12; 7.2.0 – 7.2.13; 7.0.0 – 7.0.19; 6.4.0 – 6.4.16—No fix listedCNA
FortinetFortiPAM1.7.0; 1.6.0 – 1.6.2; 1.5.0 – 1.5.1; 1.4.0 – 1.4.3; 1.3.0 – 1.3.1; 1.2.0; 1.1.0 – 1.1.2; 1.0.0 – 1.0.3—No fix listedCNA
FortinetFortiProxy7.6.0 – 7.6.4; 7.4.0 – 7.4.14; 7.2.0 – 7.2.16; 7.0.0 – 7.0.23—No fix listedCNA
  • FortiOS VendorFortinet Affected 7.6.0 – 7.6.4; 7.4.0 – 7.4.12; 7.2.0 – 7.2.13; 7.0.0 – 7.0.19; 6.4.0 – 6.4.16 Fixed in — No fix listed CNA
  • FortiPAM VendorFortinet Affected 1.7.0; 1.6.0 – 1.6.2; 1.5.0 – 1.5.1; 1.4.0 – 1.4.3; 1.3.0 – 1.3.1; 1.2.0; 1.1.0 – 1.1.2; 1.0.0 – 1.0.3 Fixed in — No fix listed CNA
  • FortiProxy VendorFortinet Affected 7.6.0 – 7.6.4; 7.4.0 – 7.4.14; 7.2.0 – 7.2.16; 7.0.0 – 7.0.23 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*7.2.0 to before 7.6.5VulnerableFortinet
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*7.2.0 to before 7.6.5VulnerableFortinet
  • cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:* Versions 7.2.0 to before 7.6.5 Vulnerable ·Fortinet
  • cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* Versions 7.2.0 to before 7.6.5 Vulnerable ·Fortinet

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-62675
  2. 2026-10-03 Alias added: GHSA-cm5j-986p-jqrj

References

Advisory 1

  • TI-2026-20057 Authentication bypass in Fortinet FortiWeb KEVCVSS 3.1CRITICAL 9.4
  • TI-2025-18911 Heap-based buffer overflow in Fortinet FortiSwitchManager KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-36904 Authentication bypass in Fortinet FortiOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-15234 A use of externally-controlled format string in Fortinet FortiOS versions 7.4.0 through… KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-14448 Out-of-bounds write in Fortinet FortiOS KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-12585 Heap-based buffer overflow in Fortinet FortiOS-6K7K KEVCVSS 3.1CRITICAL 9.8
See all 276 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences