Cyber Resilience

CVE-2026-42682

CriticalUpdated

Published: 01 June 2026

Published
01 June 2026
Modified
17 June 2026
KEV Added
Patch
CVSS Score v3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score 0.0029 20.8th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-42682 is a critical-severity Missing Authorization (CWE-862) vulnerability. Its CVSS base score is 9.1 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 20.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability details

Missing Authorization vulnerability in Tomdever wpForo Forum allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects wpForo Forum: from n/a through 3.0.6.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Missing authorization (CWE-862) in public-facing wpForo plugin directly enables exploitation of the web application (T1190) and subsequent privilege escalation via bypassed access controls (T1068).

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0

CVEs Like This One

CVE-2025-2110Shared CWE-862
CVE-2026-39432Shared CWE-862
CVE-2026-22683Shared CWE-862
CVE-2022-45830Shared CWE-862
CVE-2025-6754Shared CWE-862
CVE-2026-2001Shared CWE-862
CVE-2025-15041Shared CWE-862
CVE-2025-13313Shared CWE-862
CVE-2026-41454Shared CWE-862
CVE-2025-2266Shared CWE-862

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-862

Requiring an access control policy ensures authorization checks are defined and applied for critical functions.

addresses: CWE-862

Reviews of access controls detect missing authorization checks on critical functions or resources.

addresses: CWE-862

Documenting permitted unauthenticated actions prevents missing authorization by making all exceptions explicit and subject to organizational review.

addresses: CWE-862

Requiring attribute association with information prevents authorization from being performed without necessary security or privacy context.

addresses: CWE-862

Mandating authorization prior to allowing remote connections addresses missing authorization for remote access.

addresses: CWE-862

Mandating authorization before wireless connections are allowed prevents missing authorization for wireless access.

addresses: CWE-862

The control requires authorization before allowing mobile device connections, directly mitigating missing authorization for system access.

addresses: CWE-862

Requiring approvals for account creation and specifying authorizations ensures authorization is not missing for system access.

References