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CVE-2026-123037— Ansible-core: user module generate_ssh_key follows a symlinked ~/.ssh enabling local privilege escalation (incomplete fix of cve-2024-9902)

Quick assessment

Affected
Red Hat Red Hat Ansible Automation Platform 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 的 user 模块中发现了一个漏洞。当启用 选项时, 函数虽然会对密钥文件进行符号链接(symlink)防护,但仅使用 检查 目录。受管节点上的非特权用户若将其 目录替换为指向某个 root 可写目录的符号链接,则特权模块会通过该符号链接写入生成的密钥对,随后将这两个文件的所有权变更为该用户。由于此类文件可能被放入由调度器处理的目录(例如 )或动态 MOTD 目录(例如 ),攻击者即可在受管节点上实现从普通用户到 root 用户的权限提升。此漏洞是 CVE-2024-9902 的修复不完整所致。

CVSS 6.7 · Medium
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I. Basic Information for CVE-2026-123037

Vulnerability Information

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Vulnerability Title
Ansible-core: user module generate_ssh_key follows a symlinked ~/.ssh enabling local privilege escalation (incomplete fix of cve-2024-9902)
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in the ansible-core user module. When generate_ssh_key is enabled, User.ssh_key_gen() guards the key files against symlinks but checks the ~/.ssh directory only with os.path.exists(). An unprivileged user on a managed node who replaces their ~/.ssh with a symlink to an existing root-writable directory causes the privileged module to write the generated key pair through the symlink and then chown both files to that user. Because such files can be dropped into directories processed by schedulers (e.g. /etc/cron.daily) or dynamic MOTD (/etc/update-motd.d), the user can escalate to root on the managed node. This is an incomplete fix of CVE-2024-9902.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2
Red Hat Red Hat Ansible Automation Platform 2 - cpe:/a:redhat:ansible_automation_platform:2

II. Public POCs for CVE-2026-123037

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III. Intelligence Information for CVE-2026-123037

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Other References for CVE-2026-123037 (2)

Same Patch Batch · Red Hat · 2026-11-06 · 15 CVEs total

CVE-2026-109081 6.8 MEDIUM Keycloak-services: keycloak-services: injection of roles into realm default-roles via dcr
CVE-2026-19688 6.8 MEDIUM Keycloak-services: keycloak-services: admin api missing audience check
CVE-2026-96547 6.5 MEDIUM Keycloak-services: keycloak-services: dcr registration-time claim-path gap allows forging
CVE-2026-97848 6.5 MEDIUM Keycloak-services: keycloak-services: protocol mapper with jsontype=json bypasses token sa
CVE-2026-9797 6.5 MEDIUM Keycloak: keycloak: privilege escalation via client authentication manipulation by an auth
CVE-2026-107124 6.4 MEDIUM Keycloak-services: keycloak-services: oidc logout endpoint session fixation via id_token_h
CVE-2026-97367 6.4 MEDIUM Keycloak-services: keycloak-services: dcr azp and sid claim substitution allows account re
CVE-2026-120749 6.2 MEDIUM Dbus: dbus-daemon: dbus-daemon aborts (reply_serial != 0) when a broadcast from the driver
CVE-2026-96460 5.4 MEDIUM Keycloak-services: keycloak-services: indefinite access token renewal via standard token e
CVE-2026-92856 4.9 MEDIUM Keycloak-services: keycloak-services: saml broker ignores proxyrestriction delegation cons
CVE-2026-121837 4.3 MEDIUM Quarkus-rest-data-panache: quarkus-rest-data-panache: getter-level @securefield ignored fo
CVE-2026-96447 4.2 MEDIUM Keycloak-services: keycloak-services: stateless token preferred_username fallback enables
CVE-2026-83493 Distributed-workloads: github actions pinned by mutable tag/branch, including third-party
CVE-2026-83494 Training-operator: pytorchjob validateupdate casts oldjob from newobj, bypassing managedby

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