Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-63077

Quick assessment

Affected
JetBrains TeamCity
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

JetBrains TeamCity是捷克JetBrains公司的一款持续集成服务器。 JetBrains TeamCity 2026.1.3之前版本和2025.11.7之前版本存在反序列化注入漏洞，该漏洞源于agent轮询协议问题，可能导致未经身份验证的远程代码执行。

CVSS 9.8 · Critical KEV · Ransomware EPSS 89.57% · P100

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
JetBrains TeamCity < 2026.1.3, 2025.11.7 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-63077

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
JetBrains TeamCity 反序列化注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
JetBrains TeamCity是捷克JetBrains公司的一款持续集成服务器。 JetBrains TeamCity 2026.1.3之前版本和2025.11.7之前版本存在反序列化注入漏洞，该漏洞源于agent轮询协议问题，可能导致未经身份验证的远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
JetBrains TeamCity 0 ~ 2026.1.3, 2025.11.7 -

II. Public POCs for CVE-2026-63077

# POC Description Source Link Shenlong Link
1 JetBrains TeamCity < 2026.1.3, 2025.11.7 contains a remote code execution caused by unauthenticated access via the agent polling protocol, letting unauthenticated attackers execute arbitrary code remotely, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-63077.yaml POC Details
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-63077

请登录查看更多情报信息。

Vendor Pages for CVE-2026-63077 (1)

IV. Related Vulnerabilities

Same product: TeamCity
Same vendor: JetBrains
Same weakness: CWE-502

V. Comments for CVE-2026-63077

No comments yet

Leave a comment