CVE-2026-21743Disclosure(fortinet / fortiauthenticator)

LOWCVSS 7.2 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A missing authorization vulnerability in Fortinet FortiAuthenticator 6.6.0 through 6.6.6, FortiAuthenticator 6.5 all versions, FortiAuthenticator 6.4 all versions, FortiAuthenticator 6.3 all versions may allow a read-only user to make modification to local users via a file upload to an unprotected endpoint.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • fortiauthenticator

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
fortiauthenticator

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-02-12: 1Technical Details · 2026-02-12: 102-12
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
By indicator
Full discourse1 post
  • VulnTracker@vuln_tracker
    Disclosure

    🚨 Fortinet FortiAuthenticator Vulnerability – CVE-2026-21743 (High Severity) A missing authorization vulnerability in FortiAuthenticator may allow a read-only user to modify local users through a file upload to an unprotected endpoint. Affected versions: 6.6.0 through 6.6.6 All 6.5 versions All 6.4 versions All 6.3 versions If your organization relies on Fortinet products, this is the kind of issue you don’t want to miss. You can monitor Fortinet (and any other vendor) continuously via VulnTracker and get notified when your tracked products are affected. 🔗 https://vulntracker.io Stay aware. Act early. Reduce exposure. #infosec #cybersecurity #CVE #VulnerabilityTracking #VulnerabilityManagement

    Post summary

    The post announces a high‑severity missing‑authorization vulnerability in FortiAuthenticator (CVE‑2026‑21743) and lists affected versions, but does not provide a PoC, exploit code, or patch information.

    00041162
    333 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appfortinetfortiauthenticator---

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