CVE-2026-44413: JetBrains TeamCity · Missing Authentication
Affects JetBrains TeamCitySource CVE Database V5
Not known to be exploited · CVSS 8.2 High : upgrade to 2026.1 2025.11.5 soon.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 18% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 2026.1 2025.11.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 May 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade JetBrains TeamCity to 2026.1 2025.11.5.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| JetBrainsTeamCity | Affected
| Fixed in
|
AI-suggested
If you cannot patch yet, restrict authenticated user privileges to minimize exposure and monitor for unusual API access patterns. Avoid exposing TeamCity servers to untrusted networks where possible.
Description
In JetBrains TeamCity before 2026.1 2025.11.5 authenticated users could expose server API to unauthorised access