CVE-2025-62826 PUBLISHED

Assigner: fortinet
Reserved: 23.10.2025 Published: 14.07.2026 Updated: 14.07.2026

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 able to intercept and modify a user's captive portal authentication request to inject arbitrary headers via crafted HTTP requests.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
CVSS Score: 3.1

Product Status

Vendor Fortinet
Product FortiPAM
Versions Default: unaffected
  • Version 1.7.0 is affected
  • affected from 1.6.0 to 1.6.2 (incl.)
  • affected from 1.5.0 to 1.5.1 (incl.)
  • affected from 1.4.0 to 1.4.3 (incl.)
  • affected from 1.3.0 to 1.3.1 (incl.)
  • Version 1.2.0 is affected
  • affected from 1.1.0 to 1.1.2 (incl.)
  • affected from 1.0.0 to 1.0.3 (incl.)
Vendor Fortinet
Product FortiProxy
Versions Default: unaffected
  • affected from 7.6.0 to 7.6.4 (incl.)
  • affected from 7.4.0 to 7.4.14 (incl.)
  • affected from 7.2.0 to 7.2.16 (incl.)
  • affected from 7.0.0 to 7.0.23 (incl.)
Vendor Fortinet
Product FortiOS
Versions Default: unaffected
  • affected from 7.6.0 to 7.6.2 (incl.)
  • affected from 7.4.0 to 7.4.8 (incl.)
  • affected from 7.2.0 to 7.2.13 (incl.)
  • affected from 7.0.0 to 7.0.19 (incl.)
  • affected from 6.4.0 to 6.4.16 (incl.)

Solutions

Upgrade to FortiProxy version 7.6.5 or above Upgrade to upcoming FortiOS version 8.0.0 or above Upgrade to FortiOS version 7.6.5 or above Fortinet remediated this issue in FortiSASE version 25.4.b and hence customers do not need to perform any action. Fortinet remediated this issue in FortiSASE version 25.4.a and hence customers do not need to perform any action.

References

Problem Types

  • Execute unauthorized code or commands CWE