{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54673", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T22:53:58.560Z", "datePublished": "2026-06-30T22:11:37.587Z", "dateUpdated": "2026-07-01T13:26:49.397Z"}, "containers": {"cna": {"title": "electron-updater: Cross-origin redirect leaks `PRIVATE-TOKEN` and mixed-case `Authorization` credentials in `builder-util-runtime`", "problemTypes": [{"descriptions": [{"cweId": "CWE-200", "lang": "en", "description": "CWE-200: Exposure of Sensitive Information to an Unauthorized Actor", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.2, "baseSeverity": "HIGH", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N", "version": "4.0"}}], "references": [{"name": "https://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797"}, {"name": "https://github.com/electron-userland/electron-builder/commit/22a7532bd01b9fb42cff7c58d599c7ad683569fe", "tags": ["x_refsource_MISC"], "url": "https://github.com/electron-userland/electron-builder/commit/22a7532bd01b9fb42cff7c58d599c7ad683569fe"}], "affected": [{"vendor": "electron-userland", "product": "electron-builder", "versions": [{"version": "< 26.15.0", "status": "affected"}]}, {"vendor": "electron-userland", "product": "builder-util-runtime", "versions": [{"version": "< 9.7.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-30T22:12:18.294Z"}, "descriptions": [{"lang": "en", "value": "electron-updater allows for automatic updates for Electron apps. Prior to 9.7.0, the HTTP redirect handler (HttpExecutor.prepareRedirectUrlOptions) only stripped a credential header whose key string matched exactly lowercase \"authorization\", exposing credentials. Other credential-bearing headers \u2014 most notably PRIVATE-TOKEN (used by GitLab's personal access token flow) and mixed-case Authorization (used by GitLab's Bearer/OAuth flow) \u2014 were not stripped and could be forwarded to an attacker-controlled cross-origin redirect destination. This issue has been fixed in version 9.7.0."}], "source": {"advisory": "GHSA-p2f4-r6v6-j797", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-01T13:26:40.473989Z", "id": "CVE-2026-54673", "options": [{"Exploitation": "poc"}, {"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": "2026-07-01T13:26:49.397Z"}}]}}

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{}

{"bugzilla": {"description": "electron-updater: electron-builder: Electron-updater: Information disclosure via unstripped credential headers during HTTP redirects", "id": "2495432", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2495432"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N", "status": "draft"}, "cwe": "CWE-201", "details": ["A flaw was found in electron-updater, a component used for automatic updates in Electron applications. This vulnerability allows a remote attacker to obtain sensitive user credentials. When an Electron application performs an HTTP redirect, the electron-updater's redirect handler fails to strip certain credential-bearing headers, such as PRIVATE-TOKEN or mixed-case Authorization headers. This oversight can lead to these credentials being forwarded to an attacker-controlled destination, resulting in information disclosure."], "mitigation": {"lang": "en:us", "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."}, "name": "CVE-2026-54673", "package_state": [{"cpe": "cpe:/a:redhat:podman_desktop:1", "fix_state": "Fix deferred", "package_name": "rh-podman-desktop.git", "product_name": "Red Hat Build of Podman Desktop"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "goose", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "goose", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-06-30T22:11:37Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-54673\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-54673\nhttps://github.com/electron-userland/electron-builder/commit/22a7532bd01b9fb42cff7c58d599c7ad683569fe\nhttps://github.com/electron-userland/electron-builder/security/advisories/GHSA-p2f4-r6v6-j797"], "statement": "A flaw was found in electron-updater where credential-bearing HTTP headers (PRIVATE-TOKEN, mixed-case Authorization) are not stripped during cross-origin redirects. This could allow an attacker who controls a redirect destination to capture authentication credentials used during application update checks.", "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,9.7.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "builder-util-runtime", "source": "cna", "vendor": "electron-userland"}, "product": "builder-util-runtime", "vendor": "electron-userland"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,26.15.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "electron-builder", "vendor": "electron-userland"}], "created": "2026-07-01T00:00:17.196739+00:00", "updated": "2026-07-06T12:45:05.598881+00:00", "vendors": ["electron-userland", "electron-userland$PRODUCT$builder-util-runtime", "electron-userland$PRODUCT$electron-builder"]}