CVE-2026-63077

In JetBrains TeamCity before 2026.1.3, 2025.11.7 unauthenticated remote code execution was possible via the agent polling protocol

CVSS v3.1

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

87.71% chance of exploitation in the next 30 days, 100th percentile

CISA KEV

added 2026-08-05

Nuclei

critical · CWE-502

Published

2026-07-27

Updated

2026-08-06

Proof-of-concept exploits (3)

• sfewer-r7/CVE-2026-6307719★ · 2026-08-07
• BoredHackerBlog/teamcity-CVE-2026-63077-pcap0★ · 2026-08-10
• AnggaTechI/CVE-2026-63077

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-63077.yaml

Metasploit modules (1)

• rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/jetbrains_teamcity_rc…

References

• CVE Record
• NVD entry

Related

• CVE-2023-27532
• CVE-2023-34362
• CVE-2024-51977
• CVE-2024-51978
• CVE-2024-51979
• CVE-2024-51980