CVE-2026-103491
MEDIUMCVSS 6.5/10
Last modified
CVE-2026-103491 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues.
Description
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Jetbrains | Youtrack | < 2026.2.19422 |
References
- https://www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-103491?
In JetBrains YouTrack before 2026.2.19422 iDOR in the issue activities API allowed reading restricted issues
How severe is CVE-2026-103491?
CVE-2026-103491 has a CVSS score of 6.5/10 (MEDIUM severity).
How do I fix CVE-2026-103491?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-103474yii2-starter-kit through 4.2.0 fails to validate file types …8.8
- CVE-2026-103475yii2-starter-kit through 4.2.0 exposes the Yii debug and Gii…9.1
- CVE-2026-103476yii2-starter-kit through 4.2.0 fails to validate article pub…5.3
- CVE-2026-103488In JetBrains YouTrack before 2026.2.19422 missing authorisat…7.1
- CVE-2026-103489In JetBrains YouTrack before 2026.2.19422 hTML injection in …2
- CVE-2026-103490In JetBrains YouTrack before 2026.2.19422 privilege escalati…7.2
- CVE-2026-103492In JetBrains YouTrack before 2026.2.19422 doS attack was pos…6.5
- CVE-2026-103493In JetBrains YouTrack before 2026.2.19422 stored XSS via Mer…8.1
- CVE-2026-103494In JetBrains YouTrack before 2026.2.19422 privilege escalati…6.6
- CVE-2026-103495In JetBrains YouTrack before 2026.2.19422 missing authorisat…4.3
- CVE-2026-103496In JetBrains YouTrack before 2026.2.19422 iDOR in inbox thre…5.4
- CVE-2026-103497In JetBrains YouTrack before 2026.2.19422 sSRF was possible …5.5
Are you affected by CVE-2026-103491?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST