What’s Vulnerable › Vulnerabilities

CVE-2018-16848

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-06-15 · updated 2026-06-17
• Weakness: CWE-400

Description

A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow definition YAML file containing nested anchors can lead to resource exhaustion culminating in a denial of service.

Affected products

• [UNKNOWN] openstack-mistral: through 7.0.3

References

• https://bugs.launchpad.net/mistral/+bug/1785657
• https://bugzilla.redhat.com/show_bug.cgi?id=1645332
• https://bugs.launchpad.net/mistral/+bug/1785657
• https://bugzilla.redhat.com/show_bug.cgi?id=1645332

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