CVE-2026-14261 (CVSS 9.1)

Description

A vulnerability in the Xerte Online Tools allows for authentication bypass and remote code execution via reinstallation through the /setup/ folder, enabling attackers to reinstall the service to a remote database they control.

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CVSS v3.1 Score

9.1

CRITICAL

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

EPSS — Exploit Prediction

0.0057

Probability of exploitation

0.44%

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.

References

Other References

https://github.com/thexerteproject/xerteonlinetoolkits/commit/8fec6602e80c5d35903d65e65b65b794297d8e90 https://github.com/thexerteproject/xerteonlinetoolkits/issues/1532 https://www.xerte.org.uk/index.php/en/news/blog/80-news/364-xerte-3-14-and-3-15-important-security-update

Frequently Asked Questions

What is CVE-2026-14261? +

A vulnerability in the Xerte Online Tools allows for authentication bypass and remote code execution via reinstallation through the /setup/ folder, enabling attackers to reinstall the service to a remote database they control. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2026-14261? +

CVE-2026-14261 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0057, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-14261? +

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.

CVE-2026-14261