CVE-2026-57921: In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading users' private data via the comment templates endpoint
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-57921
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-579210.18% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-57921 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for In JetBrains YouTrack
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- lowCVE-2026-61492: In JetBrains YouTrack before 2026.2.17394 stored XSS via article titles in digest emails was p…nvd · 2026-07-10
- lowCVE-2026-59791: In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was poss…nvd · 2026-07-10
- lowCVE-2026-57926: In JetBrains YouTrack before 2026.2.16593 the websandbox bridge was vulnerable to a prototype …nvd · 2026-06-26
- mediumCVE-2026-57925: In JetBrains YouTrack before 2026.2.16593 improper access control allowed reading saved querie…nvd · 2026-06-26
- mediumCVE-2026-57924: In JetBrains YouTrack before 2026.2.16593 default role configuration exposed excessive user pr…nvd · 2026-06-26
- mediumCVE-2026-57923: In JetBrains YouTrack before 2026.2.16593 improper authorisation in the app configurations end…nvd · 2026-06-26
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