CVE-2026-27546

CRITICAL
Published Sep 16, 2026 Modified Sep 16, 2026 CWE-288

Description

An unauthenticated remote attacker can exploit an authentication bypass in the _account_log function to log in as an admin, even when accounts are properly configured.

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CVSS v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0095
Probability of exploitation
0.60%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-288 CWE-288

References

Frequently Asked Questions

What is CVE-2026-27546? +
An unauthenticated remote attacker can exploit an authentication bypass in the _account_log function to log in as an admin, even when accounts are properly configured. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2026-27546? +
CVE-2026-27546 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0095, placing it in the 1th percentile for exploitation probability.
How do I check if I'm vulnerable to CVE-2026-27546? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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