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CVE-2025-59458VulnerabilityPublished

CVE-2025-59458: JetBrains Junie · Command Injection

Affects JetBrains JunieSource CVE Database V5

0

Not known to be exploited · CVSS 8.3 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
8.3High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 41% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 17 Sep 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 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
JetBrains JunieAffected
  • =0
Fixed in–

AI-suggested

1. Immediate mitigation should focus on restricting access to JetBrains Junie instances to trusted users only and implementing strict network segmentation to limit exposure to the internet or untrusted networks. 2. Educate users about the risks of social engineering and phishing attacks, as user interaction is required for exploitation. 3. Monitor logs and network traffic for unusual command execution patterns or unexpected process spawning related to Junie. 4. Implement application whitelisting and endpoint detection and response (EDR) solutions to detect and block suspicious command execution attempts. 5. Since no patches are currently available, consider temporarily disabling or isolating vulnerable versions of Junie until an official fix is released. 6. Engage with JetBrains support or security advisories regularly to obtain updates and patches as soon as they become available. 7. Review and harden any scripts or automation that interact with Junie to ensure they do not pass untrusted input to command execution functions. 8. Conduct penetration testing and vulnerability scanning focused on this vulnerability to identify and remediate exposure proactively.

Description

In JetBrains Junie before 252.284.66, 251.284.66, 243.284.66, 252.284.61, 251.284.61, 243.284.61, 252.284.50, 252.284.54, 251.284.54, 251.284.50, 243.284.54, 243.284.50 code execution was possible due to improper command validation

References

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