Deserialization of untrusted data in JetBrains TeamCity
CVSS Skor
9.8
EPSS İhtimal
%89.6
Risk Skoru
17.6
Yayın
2 ay önce
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Metasploit Wrap Up: This One Goes to Sixteen!
This One Goes to Sixteen!Another banger from Metasploit with sixteen new modules, including ten exploit modules, with five on the CISA KEV list. Cisco, Papercut, Sonicwall, Jetbrains, and Langflow all have exploit modules, and not to be outdone, we even have a Metasploit scanner to watch the watchers!New module content (16)Elasticsearch ingest-attachment Apache Tika XFA XXE Local File ReadAuthors: Bourbon Offensive Security Services and Jean-Marie BourbonType: AuxiliaryPull request: #21739 contributed by kmkzPath: scanner/http/elasticsearch_tika_xfa_xxeCVE reference: CVE-2025-66516Description:
Rapid7 Analysis: Unauthenticated Remote Code Execution in JetBrains TeamCity (CVE-2026-63077)
OverviewOn July 27, 2026, JetBrains published a security advisory for CVE-2026-63077, a critical unsafe deserialization vulnerability affecting JetBrains TeamCity. An attacker who can reach a TeamCity server over HTTP or HTTPS can exploit the agent polling protocol without credentials and execute operating system commands with the privileges of the TeamCity server process.JetBrains reported no known active exploitation when it disclosed the vulnerability. However, on August 5, 2026, CISA added CVE-2026-63077 to its Known Exploited Vulnerabilities (KEV) catalog, confirming exploitation in the w
VS en Italië melden misbruik van kritiek lek in Jetbrains TeamCity-servers
Aanvallers maken actief misbruik van een kritieke kwetsbaarheid in Jetbrains TeamCity-servers waardoor systemen op afstand zijn ...
CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation in the Wild
A newly patched security flaw impacting on-premise versions of JetBrains TeamCity has come under active exploitation in the wild, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). The vulnerability in question is CVE-2026-63077 (CVSS score: 9.8), a case of deserialization of untrusted data that could allow an unauthenticated attacker with access to a TeamCity server
CISA Adds Four Vulnerabilities to KEV Catalog Aug 6 2026
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CVE-2026-20316 Zero-Day Actively Exploited, Cisco Releases Fix
Cisco has released security updates for an actively exploited zero-day vulnerability, CVE-2026-20316, affecting Cisco Secure FMC (Secure Firewall Management Center) software. The flaw, disclosed on July 29, 2026, allows a remote, unauthenticated attacker to log in to vulnerable systems using a built-in low-privilege account and access sensitive data. Cisco said it detected active exploitation in July and has published indicators of compromise (IoCs) to help organizations identify potential attacks. The vulnerability was reported by Jimi Sebree of Horizon3.ai. Static credentials expose Cisco Se
CVE-2026-63077 Exposes TeamCity Servers to Unauthenticated RCE
A critical security flaw affecting TeamCity On-Premises has prompted administrators to update their servers immediately after researchers disclosed CVE-2026-63077, a vulnerability that could allow unauthenticated attackers to execute arbitrary operating system commands. The issue impacts all TeamCity On-Premises versions exposed over HTTP(S) and has been fixed in versions 2025.11.7 and 2026.1.3. Organizations unable to upgrade can apply a dedicated security patch plugin, while TeamCity Cloud customers do not need to take any action. CVE-2026-63077 Enables Unauthenticated Access Over HTTP(S) Ac
CVE-2026-63077: Critical unauthenticated remote code execution in JetBrains TeamCity
OverviewOn July 27, 2026, JetBrains published a security advisory for CVE-2026-63077, a critical unauthenticated vulnerability affecting all versions of TeamCity On-Premises. The issue is classified as deserialization of untrusted data and has a CVSS score of 9.8. An unauthenticated remote attacker with HTTP(S) access to a TeamCity server can exploit the agent polling protocol to bypass authentication checks and execute arbitrary operating system commands with the privileges of the TeamCity server process.In the blog post that JetBrains shared in tandem with CVE publication, they stated that a
CVE-2026-63077: JetBrains TeamCity RCE
Executive Summary Modern software development depends on CI/CD platforms to automate code building, testing, and deployment. These platforms hold privileged credentials, source code, signing certificates, and deployment pipelines, making them…
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