CVE-2026-123298 json
In JetBrains Hub before 2026.2.52556 sMTP command injection via email verification was possible
published 3d ago modified 2d ago also EUVD-2026-118063
- cvss
- 5.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
In JetBrains Hub before 2026.2.52556 sMTP command injection via email verification was possible
Patch / fix
- JetBrains Hub 2026.2.52556
Is CVE-2026-123298 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 4d ago
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.0 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N |
Affected products
- JetBrains Hub
Classification
- Weakness
-
- CWE-93 Improper Neutralization of CRLF Sequences
References
Sources
- CVE List CVE-2026-123298
- NVD CVE-2026-123298
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.