What is CVE-2026-49386?
In JetBrains YouTrack before 2026.1.13570 improper access control allowed enumeration of restricted issues and articles on Planning Canvas
The record classifies CVE-2026-49386 under weakness class CWE-639. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 134 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 6.5 — MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - EPSS (FIRST)
- 0.3% probability of exploitation in the next 30 days, higher than 25.4% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 4.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-05-29
Is CVE-2026-49386 being exploited?
It currently carries a trending score of 11 in the Threadlinqs vulnerability feed.
Affected products and versions
- JetBrains: YouTrack
How to fix CVE-2026-49386
No vendor patch reference has been recorded for CVE-2026-49386 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-49386
1 tracked threat in the Threadlinqs corpus references CVE-2026-49386, either in the campaign’s CVE list or as an indicator on the campaign record.
Sources
Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on .