CVE-2026-44277

criticalpriority · track · 10EPSS 0.006 · 46 %ileexploit · PoCDEEUNLRUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

0.55% (46th) EPSS

CVSS 9.8 · critical

Is it mine?

19 products

Check your exposure

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A improper access control vulnerability in Fortinet FortiAuthenticator 8.0.2, FortiAuthenticator 8.0.0, FortiAuthenticator 6.6.0 through 6.6.8, FortiAuthenticator 6.5.0 through 6.5.6 may allow attacker to execute unauthorized code or commands via crafted requests.

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.1criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:Csecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · psirt@fortinet.comexploitability 3.9 · impact 5.9

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:Csecondary · NCSC-NL NL

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USCWE-284US

exploits (1)

Public proof-of-concept and weaponised exploit code.

0xBlackash/CVE-2026-44277CVE-2026-44277PoC · poc_in_github

affected products (19)

Products and version ranges known to be affected.

Fortinet FortiAuthenticator <6.5.7all versionscert_bundDE
Fortinet FortiAuthenticator <6.6.9all versionscert_bundDE
Fortinet FortiAuthenticator <8.0.3all versionscert_bundDE
Fortinet FortiAuthenticator< 6.5.7cert_bundDE
Fortinet FortiAuthenticator< 6.6.9cert_bundDE
Fortinet FortiAuthenticator< 8.0.3cert_bundDE
Fortinet FortiAuthenticator≤ 8.0.0enisa_euvdEU
Fortinet FortiAuthenticator≤ 6.5.0 ≤6.5.6enisa_euvdEU
Fortinet FortiAuthenticator≤ 6.6.0 ≤6.6.8enisa_euvdEU
Fortinet FortiAuthenticator≤ 6.4.0 ≤6.4.10enisa_euvdEU
Fortinet FortiAuthenticator≤ 8.0.2enisa_euvdEU
Fortinet Inc. FortiAuthenticator6.5.0 → 6.5.7fstec_bduRU
Fortinet Inc. FortiAuthenticator6.6.0 → 6.6.9fstec_bduRU
Fortinet Inc. FortiAuthenticator8.0.0 → 8.0.3fstec_bduRU
Fortinet FortiAuthenticator≤ vers:unknown/*ncsc_nlNL
fortinet fortiauthenticator6.4.0 → 6.4.10nvdUScpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
fortinet fortiauthenticator6.5.0 → 6.5.7nvdUScpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
fortinet fortiauthenticator6.6.0 → 6.6.9nvdUScpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*
fortinet fortiauthenticator8.0.0 → 8.0.3nvdUScpe:2.3:a:fortinet:fortiauthenticator:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

NCSC-2026-0156Kwetsbaarheid verholpen in Fortinet FortiAuthenticatorNL2026-05-13csaf · ncsc_nlNL
Fortinet heeft een kwetsbaarheid verholpen in FortiAuthenticator.
WID-SEC-W-2026-1509Fortinet FortiAuthenticator: Schwachstelle ermöglicht CodeausführungDeutsch2026-05-12csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in Fortinet FortiAuthenticator ausnutzen, um beliebigen Programmcode auszuführen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund ncsc_nl nvd NVD CVE.org MITRE

published 2026-05-12modified 2026-10-26

references (5)

External citations — patches, advisories, analysis.

scry

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