CVE-2026-100260
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a...
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
- Record
CVE-2026-100260- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-1188
- Updated
- 2026-11-02
EUVDEUVD-2026-90004
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
- Record
EUVD-2026-90004- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m4m6-2637-vqmm
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a...
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
- Record
GHSA-m4m6-2637-vqmm- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-1188
- Updated
- 2026-11-02
NVD
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
- Record
CVE-2026-100260- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-1188
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-100260 is a medium vulnerability (CVSS 5.3) in Jetbrains Youtrack, published September 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 18th percentile. No source names a fixed version.