CVE-2026-123312 json
In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 sSRF was possible via annotations.xml files during indexing
published 3d ago modified 3d ago also EUVD-2026-118076
- cvss
- 3.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 sSRF was possible via annotations.xml files during indexing
Patch / fix
- JetBrains IntelliJ IDEA 2026.3, 2026.2.4
Is CVE-2026-123312 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 FencerExploit prediction
0.12% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.3 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
Affected products
- JetBrains IntelliJ IDEA
Classification
- Weakness
-
- CWE-827 Improper Control of Document Type Definition
References
Sources
- CVE List CVE-2026-123312
- NVD CVE-2026-123312
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.