CVE-2025-54528Network attack vector

Unauthorized GitHub App connection actions via CSRF

Published Jul 28, 2025 · Updated Jul 28, 2025

CSRF in JetBrains TeamCity before 2025.07 allows remote attackers to trigger unauthorized GitHub App connection actions. JetBrains has not published the affected endpoint or the missing request validation in the connection workflow. Exploitation requires victim interaction; vendor scoring bounds the impact to limited confidentiality and integrity effects without service interruption.

CVSS severity5.4
Medium
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in JetBrains TeamCity before 2025.07 allows remote attackers to trigger unauthorized GitHub App connection actions. JetBrains has not published the affected endpoint or the missing request validation in the connection workflow. Exploitation requires victim interaction; vendor scoring bounds the impact to limited confidentiality and integrity effects without service interruption.

The record

CVE
CVE-2025-54528
Published
Jul 28, 2025
Updated
Jul 28, 2025
Vendor
JetBrains
Product
TeamCity
Classifications
CWE-352
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 28, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 28, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <2025.07

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

JetBrains · TeamCityversion=0 <2025.07

Published CVSS scores

8.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
5.4JetBrainsCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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