CVE-2026-40097

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

CVE-2026-40097: Improper Validation of Array Index

Step CA is an online certificate authority for secure, automated certificate management for DevOps. From 0.24.0 to before 0.30.0-rc3, an attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension...

PT-2026-31991

Name of the Vulnerable Software and Affected Versions Step CA versions 0.24.0 through 0.30.0-rc3 Description An attacker can trigger an index out-of-bounds panic in Step CA by sending a crafted attestation key AK certificate with an empty Extended Key Usage EKU extension during TPM device...

Smallstep step-ca 输入验证错误漏洞

Smallstep step-ca is an online certificate authority for DevOps security and automated certificate management provided by the Smallstep company in the United States. Versions of Smallstep step-ca prior to 0.30.0-rc3 contained a vulnerability related to input validation errors. This vulnerability...

CLEANSTART-2026-GM09342 Security fixes for CVE-2025-68121, CVE-2026-26958, ghsa-fw7p-63qq-7hpr, ghsa-mqqf-5wvp-8fh8 applied in versions: 0.29.0-r0, 0.29.0-r1

Multiple security vulnerabilities affect the step-ca-fips package. These issues are resolved in later releases. See references for individual vulnerability details...

Linux Distros Unpatched Vulnerability : CVE-2026-30836

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

GO-2026-4775 step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18) in github.com/smallstep/certificates

step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq MessageType=18 in github.com/smallstep/certificates...

SUSE 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...

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...

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...

CVE-2026-30836 Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

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...

CVE-2026-30836

CVE-2026-30836 affects step-ca (github.com/smallstep/certificates). The issue allows unauthenticated certificate issuance via SCEP UpdateReq (MessageType=18) due to inadequate protection in UpdateReq handling. Affected versions are 0.30.0-rc6 and below; the vulnerability is fixed in version 0.30....

CVE-2026-30836 Step CA: Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

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...

step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

Summary An attacker can force a Step CA SCEP provisioner to create certificates without completing certain protocol authorization checks. Details SCEP requests carry a message type. On receipt of a SCEP request, Step CA starts processing it by parsing its contents. Message types that were...

GHSA-Q4R8-XM5F-56GW step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq (MessageType=18)

Summary An attacker can force a Step CA SCEP provisioner to create certificates without completing certain protocol authorization checks. Details SCEP requests carry a message type. On receipt of a SCEP request, Step CA starts processing it by parsing its contents. Message types that were...

EUVD-2026-13200

step-ca has Unauthenticated Certificate Issuance via SCEP UpdateReq MessageType=18...

CVE-2026-30836: Improper Authentication

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...

GHSA-FW7P-63QQ-7HPR vulnerabilities

Vulnerabilities for packages: kubeflow-pipelines, temporal, step, juicefs, splunk-otel-collector, chezmoi, jitsucom-bulker, nri-mysql, gitsign, loki, wolfictl, dbmate, kots, ksops, openbao, crossplane-provider-sql, trillian, mattermost, argo-workflows, minio, apko, timestamp-authority, trufflehog...

Libbiosig, Grassroot DiCoM, Smallstep step-ca vulnerabilities

Cisco Talos' Vulnerability Discovery & Research team recently disclosed vulnerabilities in Biosig Project Libbiosig, Grassroot DiCoM, and Smallstep step-ca. The vulnerabilities mentioned in this blog post have been patched by their respective vendors, all in adherence to Cisco 's third-party...

CVE-2025-44005

A flaw was found in the Automated Certificate Management Environment ACME and Simple Certificate Enrollment Protocol SCEP provisioner features of Step CA github.com/smallstep/certificates. This vulnerability allows an authorization bypass vulnerability in Step CA’s ACME and SCEP provisioners wher...