takenaka hiroya@Joe_Biden_ja
JetBrains TeamCity にパスワードリセットから管理者を乗っ取れる欠陥（CVE-2026-100255）。2025.11.8 / 2026.1.4 / 2026.2 で修正済みです。自前で運用している方は版の確認を。 https://cve.autoarticles.net/cve/CVE-2026-100255
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CVE-2026-100255(jetbrains / teamcity)
LOWCVSS 9.8 · CRITICALSignal is active with 1 mentions in latest observed window
Immediate actions
- Track advisory updates for patch or workaround availability
Recommended action window: Monitor and triage in normal cycle
NVD description
In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password reset
0.0/ 10 priority
Sources & remediation
Vendor / third-party advisories
Weakness type (CWE)
CWE-1289
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
Are you affected?
If you run products in this scope, you should treat this CVE as relevant to your environment.
- teamcity
Threat summary
- 1 mentions across 1 observed day
What's happening
- 1 total mentions across 1 day
Affected systems
Vendors
Products
teamcity
Deep dive
Activity timeline1 mentions / 1d
Referenced assets1 URL
By indicator
Full discourse1 post
CPE platform detail1 entries
1 of 1 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | jetbrains | teamcity | - | - | - |