Cyber Resilience

CVE-2026-27049

Critical

Published: 25 March 2026

Published
25 March 2026
Modified
24 April 2026
KEV Added
—
Patch
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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0053 40.4th percentile
Risk Priority 70 floored blend · peak EPSS

Summary

CVE-2026-27049 is a critical-severity Authentication Bypass Using an Alternate Path or Channel (CWE-288) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 40.4th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 AC-3 (Access Enforcement) and IA-2 (Identification and Authentication (Organizational Users)).

Deeper analysis

CVE-2026-27049 is an Authentication Bypass Using an Alternate Path or Channel vulnerability (CWE-288) in the NooTheme Jobica Core WordPress plugin, also known as jobica-core. This issue affects all versions from n/a through 1.4.2 and enables Authentication Abuse.

The vulnerability carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating it can be exploited remotely by unauthenticated attackers with low complexity and no user interaction. Successful exploitation allows attackers to bypass authentication mechanisms, potentially leading to account takeover as described in related advisories.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/jobica-core/vulnerability/wordpress-jobica-core-plugin-1-4-2-account-takeover-vulnerability?_s_id=cve provides further details on the vulnerability, including potential mitigation steps such as updating the plugin.

OWASP Top 10 for Web (2025)

A07:2025 Authentication Failures

EU & UK References

Vulnerability details

Authentication Bypass Using an Alternate Path or Channel vulnerability in NooTheme Jobica Core jobica-core allows Authentication Abuse.This issue affects Jobica Core: from n/a through <= 1.4.2.

CWE(s)
CWE-288

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.
attack.mitre.org →
T1078 Valid Accounts Stealth
Adversaries may obtain and abuse credentials of existing accounts as a means of gaining Initial Access, Persistence, Privilege Escalation, or Defense Evasion.
attack.mitre.org →
Why these techniques?

Auth bypass in public-facing WordPress plugin directly enables T1190 (exploit public-facing app) for remote unauthenticated access and facilitates T1078 (valid accounts) via account takeover.

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

CVEs Like This One

CVE-2025-6895Shared CWE-288
CVE-2026-29139Shared CWE-288
CVE-2025-26966Shared CWE-288
CVE-2024-13182Shared CWE-288
CVE-2025-23504Shared CWE-288
CVE-2025-7444Shared CWE-288
CVE-2025-7642Shared CWE-288
CVE-2025-8359Shared CWE-288
CVE-2025-1564Shared CWE-288
CVE-2026-27389Shared CWE-288

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Requires timely identification, reporting, and correction of flaws such as the authentication bypass in Jobica Core, directly preventing exploitation through patching.

AC-3 Access Enforcement good match
prevent

Enforces approved authorizations for access to system resources, directly countering authentication bypass via alternate paths or channels.

IA-2 Identification and Authentication (Organizational Users) good match
prevent

Implements robust identification and authentication for organizational users, mitigating vulnerabilities that allow unauthenticated access and account takeover.

References