Improper access control in API endpoints
CVSSv3 Score: 6.2 An improper access control vulnerability [CWE-284] in FortiPortal API endpoints may allow a remote privileged attacker with organization user role to obtain sensitive network configuration data via crafted HTTP requests. Revised on 2026-06-09 00:00:00
CSIRTS triage
- What
- Improper access control in API endpoints may allow sensitive data exposure.
- Who is affected
- Organizations using FortiPortal are affected.
- Urgency
- Remediation is high urgency due to the risk of sensitive data exposure.
- Action
- Implement access controls and monitor API usage.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://fortiguard.fortinet.com/psirt/FG-IR-26-140
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-499380.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-49938 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Improper access control
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-40452: Incorrect Authorization, Improper Access Control vulnerability in Apache IoTDB. Authorization …nvd · 2026-07-10
- mediumCVE-2026-40009: Improper Privilege Management, Improper Access Control vulnerability in Apache IoTDB. Authenti…nvd · 2026-07-10
- unknownCVE-2026-21050: Improper access control in SmartThingsKit prior to SMR Jul-2026 Release 1 allows local attacke…nvd · 2026-07-10
- unknownCVE-2026-21041: Improper access control in SamsungSEAgentService prior to SMR Jul-2026 Release 1 allows local …nvd · 2026-07-10
- unknownCVE-2026-21040: Improper access control in IAFDService prior to SMR Jul-2026 Release 1 allows local privileged…nvd · 2026-07-10
- unknownCVE-2026-21039: Improper access control in Settings prior to SMR Jul-2026 Release 1 allows local attackers to …nvd · 2026-07-10
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