CVE-2026-123312

LOW

Published Nov 6, 2026 Modified Nov 10, 2026 CWE-827

Description

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 sSRF was possible via annotations.xml files during indexing

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CVSS v3.1 Score

3.3

LOW

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

EPSS — Exploit Prediction

0.0012

Probability of exploitation

0.02%

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-827 CWE-827

Affected Products

Vendor	Product	Versions
jetbrains	intellij_idea	< 2026.2.4

References

Advisories & Patches

https://www.jetbrains.com/privacy-security/issues-fixed/

Frequently Asked Questions

What is CVE-2026-123312? +

In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 sSRF was possible via annotations.xml files during indexing It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2026-123312? +

CVE-2026-123312 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0012, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-123312? +

CVE-2026-123312 affects products from jetbrains, specifically: intellij_idea. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-123312? +

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.