CVE-2026-24858: An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.
Noroxi assessment
Priority: Now (action score 95/100)
- CISA has confirmed exploitation in the wild (Jan 27, 2026). Remediation deadline for US federal agencies: Jan 30, 2026.
- Probability of exploitation in the next 30 days: 86.5% (FIRST EPSS); higher than 99.7% of all records.
- Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
- According to CISA the attack is automatable: targets can be found by mass scanning.
- According to the record, no fixed version is available yet.
Patch today or shut off access. Until a fix is released, restrict access to the affected component and follow the vendor's advisory.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
Primary sources: NVD · CVE.org · CISA KEV · FIRST EPSS
An Authentication Bypass Using an Alternate Path or Channel vulnerability [CWE-288] vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.5, FortiAnalyzer 7.4.0 through 7.4.9, FortiAnalyzer 7.2.0 through 7.2.11, FortiAnalyzer 7.0.0 through 7.0.15, FortiManager 7.6.0 through 7.6.5, FortiManager 7.4.0 through 7.4.9, FortiManager 7.2.0 through 7.2.11, FortiManager 7.0.0 through 7.0.15, FortiNAC-F 7.6.3 through 7.6.5, FortiOS 7.6.0 through 7.6.5, FortiOS 7.4.0 through 7.4.10, FortiOS 7.2.0 through 7.2.12, FortiOS 7.0.0 through 7.0.18, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4.0 through 7.4.12, FortiProxy 7.2.0 through 7.2.15, FortiProxy 7.0.0 through 7.0.22, FortiWeb 8.0.0 through 8.0.3, FortiWeb 7.6.0 through 7.6.6, FortiWeb 7.4.0 through 7.4.11 may allow an attacker with a FortiCloud account and a registered device to log into other devices registered to other accounts, if FortiCloud SSO authentication is enabled on those devices.
- Published
- Jan 27, 2026
- Updated
- Jun 17, 2026
- EPSS
- 86.5% · 99th percentile
- CWE
- CWE-288
Report tools
Action score
95
Now
Patch today or shut off access.
- CVSS
- 39 / 40 · 9.8 / 10
- CISA KEV
- 30 / 30 · Listed
- EPSS
- 26 / 30 · 86.5%
CISA SSVC decision
- Exploitation
- active
- Automatable
- yes
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · fortinet
- 9.4
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Actively exploited in the wild
CISA added this to its Known Exploited Vulnerabilities catalog on Jan 27, 2026. That signals real attacks, not theory.
Remediation deadline for US federal agencies: Jan 30, 2026.
Get told when this record changes
- In CISA KEV: exploitation in the wild confirmed
- Weaponized exploit exists
- No fixed version yet
If any of these changes, we'll tell you in the daily email digest.
Running WordPress? Scan your site free with WP Lens
Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| fortinet | fortianalyzer | cpe:2.3:a:fortinet:fortianalyzer |
| fortinet | fortimanager | cpe:2.3:a:fortinet:fortimanager |
| fortinet | fortinac-f | cpe:2.3:a:fortinet:fortinac-f |
| fortinet | fortiproxy | cpe:2.3:a:fortinet:fortiproxy |
| fortinet | fortiweb | cpe:2.3:a:fortinet:fortiweb |
| fortinet | fortios | cpe:2.3:o:fortinet:fortios |
| siemens | ruggedcom ape1808 firmware | cpe:2.3:o:siemens:ruggedcom_ape1808_firmware |
| siemens | ruggedcom ape1808 | cpe:2.3:h:siemens:ruggedcom_ape1808 |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- fortinet fortios7.0.0 and later · up to 7.0.18 inclusive
- fortinet fortios7.2.0 and later · up to 7.2.12 inclusive
- fortinet fortios7.4.0 and later · before 7.4.11
- fortinet fortios7.6.0 and later · before 7.6.6
Versions reported by the vendor
Affected version ranges reported by the assigning authority (fortinet). Independent of NVD's CPE analysis and usually ahead of it.
Fortinet FortiAnalyzer
- 7.6.0 and later · up to and including 7.6.5affected · semver
- 7.4.0 and later · up to and including 7.4.9affected · semver
- 7.2.0 and later · up to and including 7.2.11affected · semver
- 7.0.0 and later · up to and including 7.0.15affected · semver
Fortinet FortiManager
- 7.6.0 and later · up to and including 7.6.5affected · semver
- 7.4.0 and later · up to and including 7.4.9affected · semver
- 7.2.0 and later · up to and including 7.2.11affected · semver
- 7.0.0 and later · up to and including 7.0.15affected · semver
Fortinet FortiNAC-F
- 7.6.3 and later · up to and including 7.6.5affected · semver
Fortinet FortiOS
- 7.6.0 and later · up to and including 7.6.5affected · semver
- 7.4.0 and later · up to and including 7.4.10affected · semver
- 7.2.0 and later · up to and including 7.2.12affected · semver
- 7.0.0 and later · up to and including 7.0.18affected · semver
Fortinet FortiProxy
- 7.6.0 and later · up to and including 7.6.4affected · semver
- 7.4.0 and later · up to and including 7.4.12affected · semver
- 7.2.0 and later · up to and including 7.2.15affected · semver
- 7.0.0 and later · up to and including 7.0.22affected · semver
Fortinet FortiWeb
- 8.0.0 and later · up to and including 8.0.3affected · semver
- 7.6.0 and later · up to and including 7.6.6affected · semver
- 7.4.0 and later · up to and including 7.4.11affected · semver
Same product
fortinet: all recordsOther highest-scoring records for the same primary product.
- CVE-2021-32589A Use After Free (CWE-416) vulnerability in FortiManager version 7.0.0, version 6.4.5 and below, version 6.2.7 and below, version 6.0.10 and42Plan
- CVE-2024-50563A weak authentication in Fortinet FortiManager Cloud, FortiAnalyzer versions 7.6.0 through 7.6.1, 7.4.1 through 7.4.3, FortiAnalyzer Cloud v39Monitor
- CVE-2024-48886A weak authentication in Fortinet FortiOS versions 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through 6.4.15, For39Monitor
Published before and after this one in the same product
- ← EarlierCVE-2025-54973Oct 14, 2025 · A concurrent execution using shared resource with improper synchronization ('Race Condition') vulnerability [CWE-362] in Fortinet FortiAnaly21Monitor
- ← EarlierCVE-2024-40593Dec 11, 2025 · A key management errors vulnerability in Fortinet FortiAnalyzer 7.4.0 through 7.4.2, FortiAnalyzer 7.2.0 through 7.2.5, FortiAnalyzer 7.0 al17Monitor
- Later →CVE-2025-49784Mar 10, 2026 · An improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiAnalyzer 7.6.0 throug28Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Proof-of-concept repository on GitHub ×5
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:0 | 2026-01-28 |
| Proof-of-concept repository on GitHub | stars:9 | 2026-01-30 |
| Proof-of-concept repository on GitHub | stars:0 | 2026-01-30 |
| Proof-of-concept repository on GitHub | stars:0 | 2026-01-31 |
| Proof-of-concept repository on GitHub | stars:1 | 2026-02-10 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- CISA KEV-1 d
- Published
- First PoCsame day
- TodayNov 6, 2026+283 d
No history yet (it accumulates with the daily EPSS job).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
- CVE-2026-2257242 days apartAn authentication bypass using an alternate path or channel vulnerability in Fortinet FortiAnalyzer 7.6.0 through 7.6.3, FortiAnalyzer 7.4.028Monitor
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
- CVE-2025-4978442 days apartAn improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiAnalyzer 7.6.0 throug28Monitor
- CVE-2025-6184877 days apartAn improper neutralization of special elements used in an sql command ('sql injection') vulnerability in Fortinet FortiAnalyzer 7.6.0 throug28Monitor
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-288 · Authentication Bypass Using an Alternate Path or ChannelCVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Show all references (3 more)Show less
Vendor advisories and official records. Exploit/PoC links are deliberately left out.