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High 8.9Published Sep 30, 2026
CVE-2026-100277In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature
Updated under an hour ago ()
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It affects JetBrains YouTrack. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.28%, higher than 19% of scored CVEs.
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In JetBrains YouTrack before 2026.2.19197 account takeover was possible by replaying a notification signature
- CVSS
- 8.9 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L
- Weakness (CWE)
- CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.28% (percentile 19)
- Assigned by
- JetBrains
- NVD analysis
- Analyzed
- Record last updated
- Oct 1, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
JetBrains YouTrack jetbrains:youtrack (from the name) | before 2026.2.19197 | CNA record |
jetbrains youtrack jetbrains:youtrack | before 2026.2.19197 | NVD |
References
- https://www.jetbrains.com/privacy-security/issues-fixed/vendor-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.