CVE-2026-49371
📛 CVE Title
JetBrains TeamCity: CVE-2026-49371: Reflected XSS in the keyword filter was possible (TW-101028)
Description
In JetBrains TeamCity before 2026.1.1 reflected XSS in the keyword filter was possible
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- MEDIUM
- CVSS score
- 5.0 / 10
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:P/A:N- Effective score
- 5.0 / 10 MEDIUM source: CNA overview
- CWE(s)
- —
- Reserved
- —
- Published
- 2026-05-29 00:00 UTC
- Last updated
- —
- Source
- https://www.rapid7.com/db/vulnerabilities/jetbrains-teamcity-cve-2026-49371/
- Linked Threat
- CVE-2026-49371 — CVE-2026-49371
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-29 19:16:26 UTC
- NVD last modified
- 2026-07-22 06:10:00 UTC
- NVD CVSS v3.1
- 7.1 / 10 HIGH source: cve@jetbrains.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N- Exploitability subscore
- 2.8 / 10
- Impact subscore
- 4.2 / 10
- EPSS score
- 0.0026 (probability of exploitation in next 30 days)
- EPSS percentile
- 17.93% vs all CVEs — higher = more likely to be exploited, as of 2026-08-01
NVD-assigned CWE(s):
CWE-79
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-08-01 16:58 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-33379 - Assigner
- JetBrains
- Published
- May 29, 2026, 6:15:47 PM
- Updated
- May 29, 2026, 7:30:26 PM
- EUVD base score (CVSS 3.1)
-
7.1 / 10
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N - EUVD-reported EPSS
- 0.2600
- Vendors
- JetBrains
- Products
-
TeamCity (0 <2026.1.1)
- Aliases
-
GHSA-jjhv-75hw-cg7g
ENISA description: In JetBrains TeamCity before 2026.1.1 reflected XSS in the keyword filter was possible
EUVD references (1)
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (7)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-49371 tenable:nvd.nist.gov
- https://www.first.org/epss/ tenable:www.first.org
- https://www.jetbrains.com/privacy-security/issues-fixed/ tenable:www.jetbrains.com
- http://cwe.mitre.org/data/definitions/79.html rapid7:cwe.mitre.org
- https://www.cve.org/CVERecord?id=CVE-2026-49371 rapid7:www.cve.org
- https://attackerkb.com/topics/CVE-2026-49371 rapid7:attackerkb.com
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-33379 rapid7:euvd.enisa.europa.eu
NVD-tagged references (1)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://www.jetbrains.com/privacy-security/issues-fixed/ cve@jetbrains.com Vendor Advisory
Remediations (11)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
rapid7
jetbrains-teamcity-upgrade-latest
2026-06-04 09:00 UTC -
web:app.opencve.io
Improper handling of insufficient permissions in Microsoft Dynamics 365 (on-premises) lets an attacker who already has some authorization raise their privileges across the network. The vulnerability can allow the attacker to gain elevated access and potentially control system functions that should be restricted, leading to increased confidentiality and integrity risks.
2026-06-19 02:31 UTC -
web:cybersecuritynews.com
Microsoft has officially acknowledged a critical zero-day vulnerability in Microsoft Defender, publicly dubbed "RoguePlanet," and confirmed it is actively developing a security patch to address the flaw.
2026-06-19 02:31 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-06-19 02:31 UTC -
web:www.csoonline.com
Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or ...
2026-06-19 02:31 UTC -
web:www.malwarebytes.com
Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest level of access on Windows.
2026-06-19 02:31 UTC -
web:www.microsoft.com
Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.
2026-06-19 02:31 UTC -
web:www.oracle.com
This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.
2026-06-19 02:31 UTC -
web:www.rapid7.com
Microsoft is publishing 200 vulnerabilities on June 2026 Patch Tuesday, including an HTTP/2 denial of service vulnerability and an elevation of privilege vulnerability in PowerToys.
2026-06-19 02:31 UTC -
web:www.veeam.com
When a vulnerability is identified, our team promptly develops a patch to address and mitigate the risk. In line with our dedication to transparency, we publicly disclose the vulnerability and provide detailed mitigation information.
2026-06-19 02:31 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-19 02:31 UTC
AI Forensic Analysis
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