CVE-2026-57926

LOW
Published Jun 26, 2026 Modified Jun 27, 2026 CWE-1321

Description

In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack

CVSS v3.1 Score

2.6
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0018
Probability of exploitation
0.08%
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-1321 CWE-1321

Affected Products

Vendor Product
jetbrains youtrack

References

Frequently Asked Questions

What is CVE-2026-57926? +
In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype pollution attack It has a CVSS v3.1 base score of 2.6 (LOW).
How severe is CVE-2026-57926? +
CVE-2026-57926 has a CVSS v3.1 score of 2.6 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0018, placing it in the 0th percentile for exploitation probability.
What products are affected by CVE-2026-57926? +
CVE-2026-57926 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-2026-57926? +
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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