CVE-2026-75056: JetBrains IntelliJ IDEA · OS Command Injection
Affects JetBrains IntelliJ IDEASource CVE Database V5
Not known to be exploited · CVSS 7.8 High : upgrade to 2026.2.1 soon.
Data as of 26 Oct 2026, 12:29 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- CISA SSVC
- Exploitation
- No evidence of active exploitation and no public proof of concept
- Automatable
- Attackers cannot reliably automate steps 1–4 of the kill chain
- Technical impact
- Total control over the software or total information disclosure
CISA SSVC assessment, 2026-08-17.
- Patch
- Available – fixed in 2026.2.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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
Upgrade JetBrains IntelliJ IDEA to 2026.2.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsIntelliJ IDEA | Affected
| Fixed in
|
AI-suggested
Users should upgrade to JetBrains IntelliJ IDEA version 2026.2.1 or later, where this vulnerability has been fixed. No other mitigation or workaround is indicated in the available data.
Description
CVE-2026-75056 is a high-severity vulnerability in JetBrains IntelliJ IDEA prior to version 2026.2.1. It involves a remote code execution (rCE) flaw via the Markdown export tool. The vulnerability is identified as CWE-78, which relates to improper neutralization of special elements used in a command ('Command Injection').