In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
CVE-2026-59791
LOWPre-NVD 3.53.5Trending — 3 sources updated this week
EchelonGraph scoreLOW confidence
This low-severity CVE scores 3.5 under the CNA's CVSS (NVD's own analysis pending). EPSS exploit-prediction score not yet available (the EPSS model rescores nightly; freshly-published CVEs typically appear within 48 hours). GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: cna:jetbrains
3.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.5Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 3.5
- EG Score
- 3.5(low)
- EPSS
- 3.3%
- KEV
- Not listed
Published
July 10, 2026
Last Modified
July 10, 2026
References (1)
Vendor Advisories for CVE-2026-59791(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 3× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-10 14:43 UTCEG score recompute
- 2026-07-10 14:42 UTCMITRE cvelistV5first tracked
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2026-59791?
CVE-2026-59791 is a low vulnerability published on July 10, 2026. In JetBrains YouTrack before 2026.2.17012 cSS injection via Mermaid diagram rendering was possible
When was CVE-2026-59791 disclosed?
CVE-2026-59791 was first published in the National Vulnerability Database on July 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-59791 actively exploited?
CVE-2026-59791 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 3.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-59791?
CVE-2026-59791 has a CVSS v3 base score of 3.5 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..
How do I remediate CVE-2026-59791?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-59791, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2026-59791
Is Your Infrastructure Affected by CVE-2026-59791?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.