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CVE-2026-92615— Flightctl: flightctl: package-global go-git https transport mutated per-repo -- cross-tenant tls-config bleed

Quick assessment

Affected
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 flightctl 中发现了一个漏洞。 worker 中的 函数会为每个仓库构建一个独立的 （其中可能包含 、自定义 CA 捆绑包或租户提供的 mTLS 客户端证书），并通过 将其安装到 go-git 的进程级全局 映射中。由于该 worker 从共享的 goroutine 池中并发地为多个组织渲染设备，因此在所有正在进行的 调用中，最后写入的租户仓库配置将生效。 这一竞态条件可能导致某个租户的 TLS 配置（包括 或 mTLS 客户端凭据）泄露到另一个租户的 Git 操作中。

CVSS 6.6 · Medium

Possible ATT&CK Techniques 1 AI

T1560 · Archive Collected Data
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I. Basic Information for CVE-2026-92615

Vulnerability Information
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Vulnerability Title
Flightctl: flightctl: package-global go-git https transport mutated per-repo -- cross-tenant tls-config bleed
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in flightctl. The configureRepoHTTPSClient() function in the device-render worker builds a per-repository tls.Config (which may include InsecureSkipVerify, a custom CA bundle, or tenant-supplied mTLS client certificates) and installs it into go-git's process-global client.Protocols map via gitclient.InstallProtocol("https", ...). Because the worker renders devices for multiple organizations concurrently from a shared goroutine pool, whichever tenant's repository configuration is written last wins for all in-flight git.Clone calls. This race condition can cause one tenant's TLS settings, including InsecureSkipVerify or mTLS client credentials, to leak into another tenant's git operations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
资源加锁不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Advanced Cluster Management for Kubernetes 2 - cpe:/a:redhat:acm:2
Red Hat Red Hat Edge Manager 1 - cpe:/a:redhat:edge_manager:1

II. Public POCs for CVE-2026-92615

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III. Intelligence Information for CVE-2026-92615

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Vendor Advisories for CVE-2026-92615 (1)

Other References for CVE-2026-92615 (1)

Same Patch Batch · Red Hat · 2026-09-16 · 9 CVEs total

CVE-2026-74909 8.1 HIGH Keycloak-services: keycloak-services: incomplete fix for cve-2026-15573 allows policy enfo
CVE-2026-79651 7.5 HIGH Keycloak-services: keycloak-services: unauthenticated dos via unbounded locale caching
CVE-2026-18212 7.5 HIGH Keycloak-services: keycloak-services: saml redirect deflate helpers leak native zlib state
CVE-2026-42784 7.4 HIGH Sequoia-openpgp: sequoia-openpgp: cryptographic integrity compromise via key flag confusio
CVE-2026-17526 7.2 HIGH Keycloak-services: keycloak-services: privilege escalation via impersonation role allows t
CVE-2026-92358 6.4 MEDIUM Keycloak-services: keycloak-services: residual cross-browser account-link proof allows sil
CVE-2026-92091 5.9 MEDIUM Jwcrypto: jwcrypto: denial of service via o(n^2) duplicate check on unbounded jwk key_ops
CVE-2026-19607 5.3 MEDIUM Keycloak-services: keycloak-services: broker-originated username collision causes account

IV. Related Vulnerabilities

Same vendor: Red Hat
Same weakness: CWE-413

V. Comments for CVE-2026-92615

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