CVE & CISA-KEV CatalogNVD
CVE-2026-21626
HIGH7.5
CVSS v3
Description
Access control settings for forum post custom fields are not applied to the JSON output type, leading to an ACL violation vector an information disclosure
CVSS v3 Vector
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
0.37%probability of exploitation in 30 days
29thpercentile
Low risk: more likely to be exploited than 29% of all known CVEs.
References
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-18.