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CVE-2025-53643VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update

Affects Red Hat ansible-coreSource GCVE Database

0

Mentioned vulnerabilities

Authoritative record:CVE-2025-53643· Low 1.7

Not known to be exploited · CVSS 1.7 Low · fixed in Red Hat package updates : update Red Hat ansible-core when convenient.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
1.7Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 28% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.16.15, 26.1.0, 26.1.1 +9
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 14 Jul 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
PyPIansible-corepkg:pypi/ansible-coreOther threatsAffected
  • <2.16.15
Fixed in
  • 2.16.15
PyPIansible-dev-toolspkg:pypi/ansible-dev-toolsOther threatsAffected
  • <26.1.0
Fixed in
  • 26.1.0
PyPIansible-lintpkg:pypi/ansible-lintOther threatsAffected
  • <26.1.0
Fixed in
  • 26.1.0
PyPIansible-navigatorpkg:pypi/ansible-navigatorOther threatsAffected
  • <26.1.1
Fixed in
  • 26.1.1
PyPIautomation-controllerpkg:pypi/automation-controllerOther threatsAffected
  • <4.6.25
Fixed in
  • 4.6.25
PyPIautomation-gatewaypkg:pypi/automation-gatewayOther threatsAffected
  • <2.5.20260121
Fixed in
  • 2.5.20260121

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Red Hat has released official patches addressing these vulnerabilities in updated versions of Red Hat Ansible Automation Platform 2.5 and its components. Users should apply the updates as provided in Red Hat Security Advisory RHSA-2026:1506 to remediate these issues. The advisory lists specific updated package versions including ansible-core 2.16.15, automation-controller 4.6.25, and others. No additional mitigations beyond applying the official updates are indicated by the vendor.

Description

Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams, while automation developers retain the freedom to write tasks that leverage existing knowledge without the overhead. Ansible Automation Platform makes it possible for users across an organization to share, vet, and manage automation content by means of a simple, powerful, and agentless language. Security Fix(es): * automation-controller: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471) * automation controller: AIOHTTP's HTTP Parser auto_decompress feature is vulnerable to zip bomb (CVE-2025-69223) * automation-controller: Django: algorithmic complexity in XML Deserializer leads to denial of service (CVE-2025-64460) * automation-controller: AIOHTTP HTTP Request/Response Smuggling (CVE-2025-53643) * python3.11-django: Django: Algorithmic complexity in XML Deserializer leads to denial of service (CVE-2025-64460) * python3.11-urllib3: urllib3 Streaming API improperly handles highly compressed data (CVE-2025-66471) * receptor: Excessive resource consumption when printing error string for host certificate validation in crypto/x509 (CVE-2025-61729) Updates and fixes included: * ansible-core has been updated to 2.16.15 * ansible-dev-tools has been updated to 26.1.0 * ansible-lint has been updated to 26.1.0 * ansible-navigator has been updated to 26.1.1 * automation-controller has been updated to 4.6.25 * automation-gateway has been updated to 2.5.20260121 * automation-hub has been updated to 4.10.11 * python3.11-botocore has been updated to 1.34.162 * python3.11-django has been updated to 4.2.27 * python3.11-galaxy-importer has been updated to 0.4.37 * python3.11-galaxy-ng has been updated to 4.10.11 * python3.11-requests has been updated to 2.31.0 * python3.11-urllib3 has been updated to 2.6.3 * receptor has been updated to 1.6.3

References

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