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VulnerabilityPublished Updated

CVE-2025-57729: JetBrains IntelliJ IDEA · Untrusted Functionality Inclusion

Affects JetBrains IntelliJ IDEASource CVE Database V5

0

Not known to be exploited · CVSS 6.5 Medium.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
6.5Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Aug 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
JetBrains IntelliJ IDEAAffected
  • =0
Fixed in–

AI-suggested

Organizations should immediately review and restrict plugin usage within IntelliJ IDEA, ensuring only trusted plugins from verified sources are installed. Disable or limit automatic LSP server startup where possible until JetBrains releases an official patch in version 2025.2 or later. Implement strict access controls on developer workstations to prevent unauthorized local access and privilege escalation. Employ endpoint detection and response (EDR) solutions to monitor for unusual plugin activity or unexpected process launches related to the IDE. Conduct regular audits of installed plugins and IDE configurations to detect anomalies. Educate developers about the risks of installing untrusted plugins and the importance of maintaining updated IDE versions. Consider isolating development environments or using virtual machines to contain potential exploitation. Monitor JetBrains security advisories closely for patch releases and apply updates promptly once available.

Description

In JetBrains IntelliJ IDEA before 2025.2 unexpected plugin startup was possible due to automatic LSP server start

References

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