CVE-2026-100266: jetbrains hub Missing Authorization
CVSS: 7.7v3.1HighAnalyzed
Published 30-09-2026Last modified 30-09-2026
Vulnerability summary
CVE-2026-100266 is a high (CVSS 7.7) Missing Authorization vulnerability in jetbrains hub. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.6% of scored vulnerabilities.
CVSS score
7.7/10
010
High · v3.1 (CVE.org)EPSS score
0.23%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-09-2026PublishedVulnerability first disclosed.
- 30-09-2026Last modifiedVulnerability information updated.
Description
In JetBrains Hub before 2026.2.52366 missing authorisation allowed authenticated users to send arbitrary emails from the server's trusted address
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.7Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:NSources2 sources · 6.5–7.7
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
01-10-202619-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jetbrains1 product
- hub< 2026.2.52366
1 vendor · 1 product
References
1 links- www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory