CLEANSTART-2026-YM38504 Security fixes in fulcio 1.8.2-r0

Package fulcio version 1.8.2-r0 fixes 2 vulnerabilities: ghsa-f6x5-jh6r-wrfv, ghsa-j5w8-q4qc-rx2x...

CLEANSTART-2026-DV08404 Security fixes in fulcio-fips 1.8.2-r0

Package fulcio-fips version 1.8.2-r0 fixes 2 vulnerabilities: ghsa-f6x5-jh6r-wrfv, ghsa-j5w8-q4qc-rx2x...

Linux Distros Unpatched Vulnerability : CVE-2026-49478

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Versions through 1.8.5 improperly follow cross-host...

CVE-2026-49478

A flaw was found in Fulcio's OpenID Connect OIDC Discovery client. This vulnerability allows a remote attacker to perform Server-Side Request Forgery SSRF by redirecting discovery requests to internal systems. Additionally, an attacker can manipulate the JSON Web Key Set JWKS Uniform Resource...

CLEANSTART-2026-TZ62592 Security fixes for ghsa-f6x5-jh6r-wrfv, ghsa-j5w8-q4qc-rx2x applied in versions: 1.8.2-r0

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

CLEANSTART-2026-UW89405 Security fixes for ghsa-f6x5-jh6r-wrfv, ghsa-j5w8-q4qc-rx2x applied in versions: 1.8.2-r0

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

GHSA-QQW8-7C2R-JXCH Sigstore Java has a vulnerability with bundle verification of integratedTime

Summary Regression: Verification of integratedTime from Rekor V1 Log Entry against Fuclio Certificate validity was missing Details - PR 1008 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. - PR 1185 re-added this verification with enhancements...

Sigstore Java has a vulnerability with bundle verification of integratedTime

Summary Regression: Verification of integratedTime from Rekor V1 Log Entry against Fuclio Certificate validity was missing Details - PR 1008 erroneously removed verification of the integrated Rekor entry time against the Fulcio certificate. - PR 1185 re-added this verification with enhancements...

PT-2026-54443

Name of the Vulnerable Software and Affected Versions Fulcio versions prior to 1.8.6 Description The OIDC discovery client improperly follows cross-host redirects and attaches Kubernetes ServiceAccount tokens during the discovery process. This behavior allows a malicious or compromised issuer to...

PT-2026-54439

Name of the Vulnerable Software and Affected Versions sigstore-java version 2.0.0 Description A regression occurred where the verification of the integrated time Rekor entry time against the Fulcio certificate was erroneously removed. This allows a malicious actor who has exfiltrated a temporary...

GHSA-W879-237Q-WC7R vulnerabilities

Vulnerabilities for packages: gitlab-rails-ce, terraform-provider-azurerm, falco-no-driver, tekton-pipelines-fips, amazon-ssm-agent-fips, nemo, k9s, snyk-cli, pulumi-language-java, tkn, crossplane-provider-azure-managedidentity, chezmoi, seaweedfs-rocksdb-fips, prometheus-mongodb-exporter,...

GHSA-W879-237Q-WC7R vulnerabilities

Vulnerabilities for packages: neuvector-sigstore-interface, step, ksops, wolfictl, policy-controller, flux-image-automation-controller, dagger, external-dns, cluster-api-azure-controller, rootlesskit, mattermost, k8sgpt, cert-manager, kine, falco-no-driver, flux-notification-controller,...

CLEANSTART-2026-LU08936 Security fixes for ghsa-f6x5-jh6r-wrfv, ghsa-j5w8-q4qc-rx2x applied in versions: 1.8.2-r0

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

Malicious code in @redhat-cloud-services/frontend-components-translations (npm)

Part of the "Mini Shai-Hulud" supply chain worm campaign that compromised the GitHub Actions OIDC trusted publisher shared by Red Hat Cloud Services npm packages. The attacker injected a preinstall hook into this and 31 other packages in the @redhat-cloud-services scope. The hook delivers a...

Malicious code in @redhat-cloud-services/compliance-client (npm)

Part of the "Mini Shai-Hulud" supply chain worm campaign that compromised the GitHub Actions OIDC trusted publisher shared by Red Hat Cloud Services npm packages. The attacker injected a preinstall hook into this and 31 other packages in the @redhat-cloud-services scope. The hook delivers a...

Security Bulletin: Fulcio OIDC Token Parsing DoS Vulnerability in extractIssuerURL affects watsonx.data

Summary ulcio prior to 1.8.3 is vulnerable to a Denial-of-Service DoS issue where malicious OIDC tokens containing excessive period characters can trigger high memory allocation during parsing. This can affect watsonx.data. Vulnerability Details CVEID:CVE-2025-66506 DESCRIPTION: Fulcio is a...

Medium: runfinch-finch

Issue Overview: Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Prior to 1.8.5, Fulcio's metaRegex function uses unanchored regex, allowing attackers to bypass MetaIssuer URL validation and trigger SSRF to arbitrary internal services...

Amazon Linux 2023 : runfinch-finch (ALAS2023-2026-1507)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1507 advisory. Fulcio is a certificate authority for issuing code signing certificates for an OpenID Connect OIDC identity. Prior to 1.8.5, Fulcio's metaRegex function uses unanchored regex, allowing attacke...

Denial Of Service (DoS)

github.com/sigstore/fulcio is vulnerable to Denial of Service DoS. The vulnerability is due to inefficient handling of untrusted input in the extractIssuerURL function, which allows an attacker to supply a token with excessive period characters to trigger high memory allocations and degrade servi...

SUSE SLED15 / SLES15 / openSUSE 15 Security Update : cosign (SUSE-SU-2026:0777-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:0777-1 advisory. Update to version 3.0.5 jscSLE-23879. Security issues fixed: - CVE-2025-11065:...