BlogPHP2Shell Exploitation: How Secure.com Can Protect YouRead more

CVE-2026-100255

In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 administrator account takeover was possible via password reset

9.8 CRITICALEPSS 0.35%Not in KEVNVD: Analyzed

Last updated: 2026-10-02 20:46 UTC

OverviewCVSS details

9.8CRITICALCVSS 3.1

Score source: NVD
NVD status: Analyzed
Published: Sep 30, 2026
Assigner: JetBrains

Affected

TeamCity (JetBrains)

Versions: before 2026.2, 2026.1.4, 2025.11.8
Fixed in: 2026.2, 2026.1.4, 2025.11.8

Exploitation

Public exploit: None listed
CISA KEV: Not listed
KEV due date: —
SSVC: Exploitation none · Automatable no · Impact total

EPSS · FIRST, scored Nov 8

0.35%chance of exploitation in 30 days

Higher than 28.87% of CVEs

CVSS 3.1 · NVD

9.8Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

CVSS 3.1 · JetBrains (CNA)

8.1High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack vector: Network
Attack complexity: High
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality impact: High
Integrity impact: High
Availability impact: High

NVD status: Analyzed

Overview Affected Products References

Overview

Severity

Score	Severity	Version	Vector String
9.8	CRITICAL	3.1NVD	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
8.1	HIGH	3.1JetBrains (CNA)	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CVE ID: CVE-2026-100255
Status: Analyzed
Assigner (CNA): JetBrains
Published: Sep 30, 2026
Last modified: 2026-10-02 20:46 UTC
Weaknesses: CWE-1289

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-09 09:17 UTC.