In JetBrains Toolbox App before 3.6.1 command injection was possible via enterprise configuration URLs
- Exploited
- No known exploitation
- Fix
- Fixed in 3.6.1
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 3.6.1.
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 16/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In JetBrains Toolbox App before 3.6.1 command injection was possible via enterprise configuration URLs
cve.now Index
- Exploitation0/40No signal
- Exposure7/25Reachable over the network without a login · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity8.5/10CVSS 7.5, total technical impact per CISA
- No patch0/5No signal
What would change the score
- Would score about 71 if added to CISA KEV
- Would score about 66 if CISA's SSVC rates exploitation active
- Would score about 31 if advisories confirm default setups are exposed
What to do
Upgrade to a fixed version: 3.6.1.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- JetBrains Toolbox App
fixed in 3.6.1
Evidence 1
- Link
Corrections
None so far.
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Questions about CVE-2026-123855
Is CVE-2026-123855 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-123855?
Toolbox App: before 3.6.1.Source: cve.now feed data
How do I fix CVE-2026-123855?
Upgrade to a fixed version: 3.6.1.Source: cve.now feed data