CVE-2026-126253
A NVD · · CVE-2026-126253
Admiralty grading (A–F · 1–6)
Source reliability
- A Completely reliable
- B Usually reliable
- C Fairly reliable
- D Not usually reliable
- E Unreliable
- F Cannot be judged
Information credibility
- 1 Confirmed
- 2 Probably true
- 3 Possibly true
- 4 Doubtful
- 5 Improbable
- 6 Cannot be judged
NATO Admiralty (AJP-2.1) grades confidence, independent of the risk score. Cross-source corroboration isn't tracked for non-CVE news, so single-source items are capped at a lower credibility number; a low number does not imply low quality.
Key metrics
- CVSS
- 9.3
- EPSS
- 0%
Key insight
The alert only provides the NVD description of the authentication bypass; there is no information on active exploitation or threat actors.
Description
The vulnerability CVE-2026-126253 affects Fortinet FortiOS versions 8.0.0 through 8.0.1, 7.6.0 through 7.6.7, 7.4.0 through 7.4.12, and 7.2.0 through 7.2.13. It is described as an authentication bypass by primary weakness and may allow an unauthenticated attacker to broadcast LSA via a specially crafted request. The alert contains no information on active exploitation, proof-of-concept code, or CISA KEV inclusion. It is the NVD description without additional analysis of attack campaigns or affected sectors.
Risk score
- cvss base
- 93.00
- kev bonus
- 0.00
- epss bonus
- 0.00
- poc bonus
- 0.00
- raw before weight
- 93.00
- industry weight
- 1.21
- freshness factor
- 1.00
- exploitability factor
- 1.00
- days old
- 0.00
- vendor mismatch penalty
- 0.00
Path: operational