---
title: "JetBrains: known exploited vulnerabilities"
url: https://erroneo.us/security/vendor/jetbrains/
description: "Every JetBrains vulnerability in CISA's Known Exploited Vulnerabilities catalog since October 2023 (4), newest first, with due dates and fixes."
type: vendor
section: "Security Digest"
date_modified: 2026-08-05
publisher: erroneo.us
author: erroneo.us Security Desk
license: All rights reserved. Quote with attribution and a link.
---

# JetBrains: known exploited vulnerabilities

- 2026-08-05 [CVE-2026-63077](https://erroneo.us/security/cve/CVE-2026-63077/index.md) JetBrains TeamCity: JetBrains TeamCity Deserialization of Untrusted Data Vulnerability (due 2026-08-08; ransomware: Known)
- 2026-04-20 [CVE-2024-27199](https://erroneo.us/security/cve/CVE-2024-27199/index.md) JetBrains TeamCity: JetBrains TeamCity Relative Path Traversal Vulnerability (due 2026-05-04; ransomware: Known)
- 2024-03-07 [CVE-2024-27198](https://erroneo.us/security/cve/CVE-2024-27198/index.md) JetBrains TeamCity: JetBrains TeamCity Authentication Bypass Vulnerability (due 2024-03-28; ransomware: Known)
- 2023-10-04 [CVE-2023-42793](https://erroneo.us/security/cve/CVE-2023-42793/index.md) JetBrains TeamCity: JetBrains TeamCity Authentication Bypass Vulnerability (due 2023-10-25; ransomware: Known)

---
Source page: https://erroneo.us/security/vendor/jetbrains/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt