CVE-2026-100264

LOW
Published Sep 30, 2026 Modified Oct 2, 2026 CWE-522

Description

In JetBrains YouTrack before 2026.2.18991 stored SMTP server credentials could be disclosed by changing the server host

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CVSS v3.1 Score

2.7
LOW
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N

EPSS — Exploit Prediction

0.0023
Probability of exploitation
0.13%
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-522 CWE-522

Affected Products

Vendor Product
jetbrains youtrack

References

Frequently Asked Questions

What is CVE-2026-100264? +
In JetBrains YouTrack before 2026.2.18991 stored SMTP server credentials could be disclosed by changing the server host It has a CVSS v3.1 base score of 2.7 (LOW).
How severe is CVE-2026-100264? +
CVE-2026-100264 has a CVSS v3.1 score of 2.7 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0023, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-100264? +
CVE-2026-100264 affects products from jetbrains, specifically: youtrack. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2026-100264? +
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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