{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-42784", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-04-29T15:09:53.696Z", "datePublished": "2026-09-16T16:56:11.638Z", "dateUpdated": "2026-10-15T14:40:31.579Z" }, "containers": { "cna": { "title": "Sequoia-openpgp: sequoia-openpgp: cryptographic integrity compromise via key flag confusion", "metrics": [ { "other": { "content": { "value": "Important", "namespace": "https://access.redhat.com/security/updates/classification/" }, "type": "Red Hat severity rating" } }, { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N", "version": "3.1" }, "format": "CVSS" } ], "descriptions": [ { "lang": "en", "value": "A flaw was found in sequoia-openpgp. The library incorrectly infers key flags for older certificates when a key flags subpacket is missing, leading to a discrepancy in how key capabilities are viewed. This key flag confusion allows an attacker to bypass the back-signature check. Consequently, an attacker can illegitimately bind an arbitrary subkey to their own certificate and forge signatures, completely compromising cryptographic integrity." } ], "affected": [ { "vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2.6 for RHEL 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "python3.12-pysequoia", "defaultStatus": "affected", "versions": [ { "version": "0:0.1.34-1.el9ap", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:ansible_automation_platform:2.6::el9", "cpe:/a:redhat:ansible_automation_platform_developer:2.6::el9" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rust-rpm-sequoia", "defaultStatus": "affected", "versions": [ { "version": "0:1.10.2.1-1.el10_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rust-sequoia-sqv", "defaultStatus": "affected", "versions": [ { "version": "0:1.3.0.2-1.el10_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rust-sequoia-sq", "defaultStatus": "affected", "versions": [ { "version": "0:1.4.0.1-2.el10_2", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/o:redhat:enterprise_linux:10.2" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rust-rpm-sequoia", "defaultStatus": "affected", "versions": [ { "version": "0:1.10.2.1-1.el9_8", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:enterprise_linux:9::crb", "cpe:/o:redhat:enterprise_linux:9::baseos" ] }, { "vendor": "Red Hat", "product": "Red Hat Cost Management On-Premise 1", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "costmanagement/costmanagement-ui-rhel10", "defaultStatus": "affected", "versions": [ { "version": "1791460851", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:cost_management_on_premise:1::el10" ] }, { "vendor": "Red Hat", "product": "Red Hat Hardened Images", "collectionURL": "https://catalog.redhat.com/software/containers/", "packageName": "rust-podman-sequoia-main", "defaultStatus": "affected", "versions": [ { "version": "0.3.2-4.hum1", "lessThan": "*", "versionType": "rpm", "status": "unaffected" } ], "cpes": [ "cpe:/a:redhat:hummingbird:1" ] }, { "vendor": "Red Hat", "product": "Confidential Compute Attestation", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-sandboxed-containers/osc-monitor-rhel9", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:confidential_compute_attestation:1" ] }, { "vendor": "Red Hat", "product": "Confidential Compute Attestation", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-sandboxed-containers/osc-operator-bundle", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:confidential_compute_attestation:1" ] }, { "vendor": "Red Hat", "product": "Confidential Compute Attestation", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-sandboxed-containers/osc-podvm-builder-rhel9", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:confidential_compute_attestation:1" ] }, { "vendor": "Red Hat", "product": "Confidential Compute Attestation", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-sandboxed-containers/osc-podvm-payload-rhel9", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:confidential_compute_attestation:1" ] }, { "vendor": "Red Hat", "product": "Confidential Compute Attestation", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "openshift-sandboxed-containers/osc-rhel9-operator", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:confidential_compute_attestation:1" ] }, { "vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-automation-platform-26/hub-rhel9", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:ansible_automation_platform:2" ] }, { "vendor": "Red Hat", "product": "Red Hat Ansible Automation Platform 2", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "ansible-automation-platform-27/hub-rhel9", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:ansible_automation_platform:2" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rust-podman-sequoia", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "trustee", "defaultStatus": "unaffected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 10", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "trustee-guest-components", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:10" ] }, { "vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "trustee-guest-components", "defaultStatus": "affected", "cpes": [ "cpe:/o:redhat:enterprise_linux:9" ] }, { "vendor": "Red Hat", "product": "Red Hat Hardened Images", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rust-rpm-sequoia", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:hummingbird:1" ] }, { "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "kata-containers", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:openshift:4" ] }, { "vendor": "Red Hat", "product": "Red Hat Satellite 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "python3.12-pysequoia", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:satellite:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Satellite 6", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "python-pysequoia", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:satellite:6" ] }, { "vendor": "Red Hat", "product": "Red Hat Trusted Profile Analyzer", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhtpa/rhtpa-trustification-service-rhel9", "defaultStatus": "affected", "cpes": [ "cpe:/a:redhat:trusted_profile_analyzer:2" ] }, { "vendor": "Red Hat", "product": "Red Hat Trusted Profile Analyzer", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "rhtpa/rhtpa-rhel10", "defaultStatus": "unaffected", "cpes": [ "cpe:/a:redhat:trusted_profile_analyzer:3" ] } ], "references": [ { "url": "https://access.redhat.com/errata/RHSA-2026:34160", "name": "RHSA-2026:34160", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:42078", "name": "RHSA-2026:42078", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:42902", "name": "RHSA-2026:42902", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:76733", "name": "RHSA-2026:76733", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:76734", "name": "RHSA-2026:76734", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:76735", "name": "RHSA-2026:76735", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:76737", "name": "RHSA-2026:76737", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/errata/RHSA-2026:79357", "name": "RHSA-2026:79357", "tags": [ "vendor-advisory", "x_refsource_REDHAT" ] }, { "url": "https://access.redhat.com/security/cve/CVE-2026-42784", "tags": [ "vdb-entry", "x_refsource_REDHAT" ] }, { "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2464122", "name": "RHBZ#2464122", "tags": [ "issue-tracking", "x_refsource_REDHAT" ] } ], "datePublic": "2026-09-16T00:00:00.000Z", "problemTypes": [ { "descriptions": [ { "cweId": "CWE-347", "description": "Improper Verification of Cryptographic Signature", "lang": "en", "type": "CWE" } ] } ], "x_redhatCweChain": "CWE-347: Improper Verification of Cryptographic Signature", "workarounds": [ { "lang": "en", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability." } ], "timeline": [ { "lang": "en", "time": "2026-04-30T14:05:14.410Z", "value": "Reported to Red Hat." }, { "lang": "en", "time": "2026-09-16T00:00:00.000Z", "value": "Made public." } ], "providerMetadata": { "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-10-15T14:40:31.579Z" }, "x_generator": { "engine": "cvelib 1.8.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-09-18T18:12:18.297877Z", "id": "CVE-2026-42784", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-18T18:12:29.708Z" } } ] } }