CVE-2026-103491

mediumpriority · track · 0EPSS 0.002 · 10 %ileDEUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.20% (10th) EPSS

CVSS 6.5 · medium

Is it mine?

3 products

Who says so?

2 sources

cert_bund · nvd

EPSS · scored 2026-10-27

In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.5mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · cve@jetbrains.comexploitability 2.8 · impact 3.6

v3.16mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

The CWE weakness classes this flaw belongs to.

Products and version ranges known to be affected.

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-3696JetBrains You Track: Mehrere SchwachstellenDeutsch2026-09-30csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in JetBrains You Track ausnutzen, um Sicherheitsvorkehrungen zu umgehen um seine Privilegien zu erhöhen, um einen Denial of Service Angriff durchzuführen, um Informationen offenzulegen, um Dateien zu manipulieren, um einen Cross-Site Scripting Angriff durchzuführen und um beliebigen Programmcode auszuführen.

Which sources assert this record, and when.

published 2026-10-01modified 2026-10-01

External citations — patches, advisories, analysis.

scry

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