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The vulnerability of the FortiOS operating systems and the FortiProxy proxy server, related to the failure to handle CRLF sequences in HTTP headers, allows attackers to gain unauthorized access and modify authentication requests.

🗓️ 17 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 3 Views

Fortinet FortiOS and FortiProxy have a CRLF header flaw enabling unauthorized access and authentication.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-62826
15 Jul 202614:20
circl
CVE
CVE-2025-62826
14 Jul 202615:19
cve
Cvelist
CVE-2025-62826
14 Jul 202615:19
cvelist
EUVD
EUVD-2025-210466
14 Jul 202618:31
euvd
Tenable Nessus
Fortinet Fortigate Header injection in captive portal authentication form (FG-IR-26-153)
14 Jul 202600:00
nessus
NVD
CVE-2025-62826
14 Jul 202616:16
nvd
Positive Technologies
PT-2026-58056
14 Jul 202600:00
ptsecurity
Vulnrichment
CVE-2025-62826
14 Jul 202615:19
vulnrichment
Vulners
Node
OR
fortinetfortiproxyRange7.6.07.6.5
fortinetfortiosRange7.6.07.6.5

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17 Jul 2026 00:00Current
5.4Medium risk
Vulners AI Score5.4
CVSS 34.3
CVSS 25
EPSS0.00257
3