CVE-2026-100260
CVE-2026-100260 is a medium-severity vulnerability in Jetbrains Youtrack with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1188.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (17th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1188
- Affected product: Jetbrains Youtrack
- Published:
- Last modified:
Description
In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
Frequently asked questions
- What is CVE-2026-100260?
- In JetBrains YouTrack before 2026.2.18991 mailbox integration allowed authentication after a password reset
- How severe is CVE-2026-100260?
- CVE-2026-100260 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2026-100260 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-100260?
- CVE-2026-100260 affects Jetbrains Youtrack. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-100260?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2026-100260 published?
- CVE-2026-100260 was published on 2026-09-30 and last updated on 2026-10-02.
References
Affected products (1)
- cpe:2.3:a:jetbrains:youtrack:*:*:*:*:*:*:*:*
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