Vulnerabilities

Vulnerability · CVE-2023-5764

A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data.

Published Dec 12, 2023 · catalog updated Nov 5, 2026 · A template injection flaw

Last checked Nov 6, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2023-5764. EPSS is 0.57%. Act only if a listed version of A template injection flaw is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A template injection flaw).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.57%
Remediation
Version ranges on file
Affected products
cpe fedoraproject/extra packages for enterprise linux · cpe redhat/ansible · cpe redhat/ansible automation platform

A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templating data.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe fedoraproject/extra packages for enterprise linux8.0
  • cpe redhat/ansible2.16.0
  • cpe redhat/ansible< 2.14.12
  • cpe redhat/ansible< 2.15.7
  • cpe redhat/ansible automation platform2.4

How to fix CVE-2023-5764

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2023-5764. EPSS is 0.57%. Act only if a listed version of A template injection flaw is installed.

Which versions are affected?

Compare what you have installed with fedoraproject/extra packages for enterprise linux 8.0; redhat/ansible automation platform 2.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine. EPSS 0.57%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 12, 2023 · Monitored products — high

    Detected

    A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templating data.

  2. Jun 17, 2026 · Monitored products — high

    Updated

    A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templating data.

  3. Nov 5, 2026 · NIST NVD

    Updated

    A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templating data.

Sources

  • CVE.orgVulnerability recordCVE-2023-5764

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2023-5764

    30-day exploitation probability 0.57%

    first.org
  • Monitored products — highVendor advisoryCVE-2023-5764

    A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templating data.

    nvd.nist.gov
  • NIST NVDVulnerability recordCVE-2023-5764

    A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templa

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 6, 2026
  • NIST NVDNov 5, 2026
  • CVE.orgNov 4, 2026
  • Monitored products — highNov 2, 2026