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CVE-2026-111095

Cross-site scripting in JetBrains TeamCity

CVSS score

8.0

EPSS probability

—

Risk score

0.8

Published

12 h ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

Cross-site Scripting Vulnerability in JetBrains TeamCity

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

A stored Cross-Site Scripting (XSS) vulnerability exists in the classic project overview of JetBrains TeamCity (S0). The issue affects versions prior to 2026.2, 2026.1.4, and 2025.11.8 (S0).

Why does it matter?

Classified with a high severity score, this vulnerability can introduce significant security risks under specific attack conditions and with user interaction (S0).

What should be done?

  • Follow the official vendor advisory
  • Update JetBrains TeamCity to secure versions
Chain of evidence and sources2 verified claims

JetBrains TeamCity ürününün klasik proje genel bakış kısmında depolanan XSS zafiyeti bulunmaktadır.

S0 · daybreach-canonicalS1 · cvelist

Zafiyet 2026.2, 2026.1.4 ve 2025.11.8 sürümlerinden önceki sürümleri etkilemektedir.

S0 · daybreach-canonicalS1 · cvelist
Show the technical text from the sources

In JetBrains TeamCity before 2026.2, 2026.1.4, 2025.11.8 stored XSS in the classic project overview was possible

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

CWE: CWE-79

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-111095 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1jetbrainsteamcity View
Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
8.0CVSS V31HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:HNVD
8.0CVSS V3_1HIGHCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:HCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-111095 is associated with the following CWEs:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-111095 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureAğ üzerinden
PermissionsLow
UserGerekiyor

Official Sources and Advisories

https://www.jetbrains.com/privacy-security/issues-fixed/vendor-advisory

CVSS Vector Radar Chart

8.0 / 10
Attack VectorNetworkComplexityHighPrivilegesLowUser Interact.RequiredConfidentialityHighIntegrityHighAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredLow privileges
User Interaction—
Confidentiality (Gizlilik)High
Integrity (Bütünlük)High
Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

J
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Weakness Type (CWE & CAPEC)

CWE-79

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