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CVE-2026-30836

Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6 and below do not safeguard against unauthenticated certificate issuance through the SCEP UpdateReq. This issue has been fixed in version 0.30.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4d89c223a49aac116af19148ef190fafa07fba53f583238a67e9074591e5ad22
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"certificates","vendor":"smallstep","versions":[{"status":"affected","version":"< 0.30.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":10,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-287","description":"CWE-287: Improper Authentication","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-295","description":"CWE-295: Improper Certificate Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef","tags":["x_refsource_MISC"],"url":"https://github.com/smallstep/certificates/commit/e6da031d5125cfd99fe9a26f74bb41e4dacca4ef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/references/1
{"name":"https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7","tags":["x_refsource_MISC"],"url":"https://github.com/smallstep/certificates/releases/tag/v0.30.0-rc7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/references/2
{"name":"https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/smallstep/certificates/security/advisories/GHSA-q4r8-xm5f-56gw"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:6a204a0d283a3b47e8f542fba2e450de353c2430b99228183ea181b8e775f69e · sha256:dab0fce31431c55d… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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