PT-2026-24230 · Fortinet · Fortiweb

Published 2026-03-10 · Updated 2026-03-18 · CVE-2025-48840

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Name of the Vulnerable Software and Affected Versions Fortinet FortiWeb versions 7.0 all versions Fortinet FortiWeb versions 7.2 all versions Fortinet FortiWeb versions 7.4.0 through 7.4.8 Fortinet FortiWeb versions 7.6.0 through 7.6.3

Description An authentication bypass by spoofing issue exists in Fortinet FortiWeb. This allows a remote, unauthenticated attacker to bypass hostname restrictions using a specially crafted request. The issue involves spoofing, potentially allowing an attacker to circumvent existing security limitations through manipulated HTTP requests.

Recommendations Fortinet FortiWeb version 7.0: At the moment, there is no information about a newer version that contains a fix for this vulnerability. Fortinet FortiWeb version 7.2: At the moment, there is no information about a newer version that contains a fix for this vulnerability. Fortinet FortiWeb versions 7.4.0 through 7.4.8: At the moment, there is no information about a newer version that contains a fix for this vulnerability. Fortinet FortiWeb versions 7.6.0 through 7.6.3: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

BDU:2026-03202

CVE-2025-48840

Affected Products

Fortiweb

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2025-48840 · Security Note
• https://osv.dev/vulnerability/CVE-2025-48840 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-03202 · Security Note
• https://fortiguard.fortinet.com/psirt/FG-IR-26-097 · Vendor Advisory
• https://twitter.com/CVEnew/status/2034136477752316411 · Twitter Post
• https://t.me/cveNotify/155369 · Telegram Post
• https://twitter.com/dailycve/status/2032275013823303724 · Twitter Post