EUVD-2026-33383
GHSA-f325-w28m-vh67
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Lifecycle Timeline
2DescriptionCVE.org
In JetBrains TeamCity before 2026.1, 2025.11.5 reflected XSS was possible on the repository download page
AnalysisAI
Reflected cross-site scripting on the TeamCity repository download page allows a remote unauthenticated attacker to inject and execute arbitrary JavaScript in a victim's browser by tricking them into clicking a crafted URL. The Changed scope (S:C) in the CVSS vector indicates the payload can escape the vulnerable component and affect the victim's broader browser session, enabling session token theft, credential harvesting, or malicious redirects against TeamCity users. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The victim must be a TeamCity user who clicks a specially crafted URL pointing to the TeamCity repository download page while authenticated in a browser session. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 6.1 (Medium) is consistent with a reflected XSS with Changed scope. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | An attacker crafts a malicious URL targeting the TeamCity repository download page, embedding a JavaScript payload in a reflected query parameter, and delivers it to a TeamCity user - for example, a developer or CI/CD administrator - via phishing email, chat message, or a compromised external link. When the victim clicks the link while authenticated to TeamCity, their browser renders the injected script in the context of the TeamCity session, allowing the attacker to exfiltrate the session cookie or auth token. … |
| Remediation | Upgrade JetBrains TeamCity to version 2026.1 or 2025.11.5 (the two patched release lines) as the primary remediation - vendor-released patches are available per the JetBrains security advisory at https://www.jetbrains.com/privacy-security/issues-fixed/. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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