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Vulnerabilities

Security fix · CVE-2025-64744

OpenObserve is a cloud-native observability platform.

Published Nov 13, 2025 · catalog updated Nov 13, 2025 · OpenObserve is a cloud-native

Last checked Oct 28, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-64744. EPSS is 0.19%. Act only if a listed version of OpenObserve is a cloud-native is installed.

Gaps on this record

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

Same product and reporting

Severity
Low3.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.19%
Remediation
Advisory link
Affected products
vendor openobserve openobserve ≤ 0.16.1

OpenObserve is a cloud-native observability platform. In versions up to and including 0.16.1, when creating or renaming an organization with HTML in the name, the markup is rendered inside the invitation email. This indicates that user-controlled input is inserted into the email template without proper HTML escaping. As of time of publication, no patched versions are available.

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.

  • vendor openobserve openobserve ≤ 0.16.1≤ 0.16.1

How to fix CVE-2025-64744

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    Seen in ≤ 0.16.1

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

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-2025-64744. EPSS is 0.19%. Act only if a listed version of OpenObserve is a cloud-native is installed.

Which versions are affected?

Compare what you have installed with openobserve openobserve ≤ 0.16.1 ≤ 0.16.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

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

Timeline

Detection, updates, and resolution for this record.

  1. Nov 13, 2025 · EUVD

    Detected

    OpenObserve is a cloud-native observability platform. In versions up to and including 0.16.1, when creating or renaming an organization with HTML in the name, the markup is rendered inside the invitation email. This indicates that user-controlled input is inserted into the email template without proper HTML escaping. As of time of publication, no patched versions are available.

  2. Nov 13, 2025 · EUVD

    Updated

    OpenObserve is a cloud-native observability platform. In versions up to and including 0.16.1, when creating or renaming an organization with HTML in the name, the markup is rendered inside the invitation email. This indicates that user-controlled input is inserted into the email template without proper HTML escaping. As of time of publication, no patched versions are available.

Sources

  • CVE.orgVulnerability recordCVE-2025-64744

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-175381

    OpenObserve is a cloud-native observability platform. In versions up to and including 0.16.1, when creating or renaming an organization with HTML in the name, the markup is rendered inside the invitation email. This indicates that user-controlled input is inserted into the email

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 28, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgOct 25, 2026
  • EUVDOct 25, 2026