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CVE-2026-84691— Automation-controller: automation-controller-container: automation-controller: format string injection in the api 4xx error log setting discloses django secret_key and database credentials to an administrator

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.

A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The setting that formats the log message emitted for API 4XX errors is an administrator-controlled Python format-string template that is rendered with a live user object as an ar

CVSS 8.7 · High

Affected Version Matrix 3

VendorProduct Version RangeStatus
Red Hat Red Hat Ansible Automation Platform 2 any affected
any affected
any affected
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I. Basic Information for CVE-2026-84691

Vulnerability Information

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Vulnerability Title
Automation-controller: automation-controller-container: automation-controller: format string injection in the api 4xx error log setting discloses django secret_key and database credentials to an administrator
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in Red Hat Ansible Automation Platform's automation- controller. The setting that formats the log message emitted for API 4XX errors is an administrator-controlled Python format-string template that is rendered with a live user object as an argument. Because Python string formatting permits attribute and item traversal on its arguments, an administrator can craft a template that walks from the user object into the application settings and reads the Django secret key and the database password. The formatted message is written to a logger that can be forwarded to an external log aggregator, whose destination is also administrator-controlled, allowing the secrets to be sent off the host. An authenticated administrator can thereby obtain the master encryption key used to protect all stored credentials and the database service password, enabling offline decryption of every stored credential, forgery of user sessions, and direct access to the controller database.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用外部控制的格式字符串
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

II. Public POCs for CVE-2026-84691

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III. Intelligence Information for CVE-2026-84691

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Other References for CVE-2026-84691 (2)

Same Patch Batch · Red Hat · 2026-09-23 · 31 CVEs total

CVE-2026-84502 9.9 CRITICAL Automation-controller: automation-controller-container: automation-controller: project scm
CVE-2026-84474 9.9 CRITICAL Automation-controller: automation-controller-container: automation-controller: view_jobtem
CVE-2026-96275 8.8 HIGH Flatpak: flatpak: arbitrary write access as root via extra-data extraction
CVE-2026-84683 8.7 HIGH Automation-controller: automation-controller-container: automation-controller: stored cros
CVE-2026-76648 8.5 HIGH Automation-controller: automation-controller-container: aap controller: copyapiview.post()
CVE-2026-84486 8.2 HIGH Automation-controller: automation-controller-container: automation-controller: unauthentic
CVE-2026-96442 7.8 HIGH Emacs: emacs: arbitrary code execution, incomplete fix for cve-2024-53920
CVE-2026-96512 7.8 HIGH Sudo: sudo: tz environment variable allows bypass of notbefore/notafter time-based authori
CVE-2026-84499 7.7 HIGH Automation-controller: automation-controller-container: automation-controller: write-only
CVE-2026-96541 7.5 HIGH Gnome-remote-desktop: gnome-remote-desktop: unauthenticated rdp sockets lack a handshake d
CVE-2026-88830 7.5 HIGH Busybox: busybox: tls montgomery reduction allocates bytes instead of digits, causing a pr
CVE-2026-88832 7.3 HIGH Busybox: busybox: romfs volume id parsing performs unbounded memcpy into fixed-size label
CVE-2026-96445 6.8 MEDIUM Keycloak-services: keycloak-services: conditional otp skip-header policy evaluated against
CVE-2026-88839 6.7 MEDIUM Busybox: busybox: passwd/group parser writes heap pointers out of bounds due to stale toke
CVE-2026-88837 6.5 MEDIUM Busybox: busybox: httpd misidentifies yescrypt password hashes as plaintext, inverting aut
CVE-2026-88835 6.1 MEDIUM Busybox: busybox: dpkg read_package_field() steps past nul terminator, causing out-of-boun
CVE-2026-88840 5.3 MEDIUM Busybox: busybox: tls ssl_server reads one byte out of bounds when parsing truncated clien
CVE-2026-88831 5.3 MEDIUM Busybox: busybox: httpd silently fails open when ip deny rules contain invalid cidr prefix
CVE-2026-71459 5.0 MEDIUM Automation-controller: automation-controller-container: automation-controller: jobjobevent
CVE-2026-71458 5.0 MEDIUM Automation-controller: automation-controller-container: automation-controller: named-url 4

Showing top 20 of 31 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Red Hat Ansible Automation Platform 2
Same vendor: Red Hat
Same weakness: CWE-134

V. Comments for CVE-2026-84691

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