CVE-2026-89011

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{"bugzilla": {"description": "isomorphic-git: isomorphic-git: Information disclosure via prototype pollution in getRemoteInfo function.", "id": "2531620", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2531620"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N", "status": "draft"}, "cwe": "CWE-915", "details": ["A flaw was found in isomorphic-git. This prototype pollution vulnerability in the getRemoteInfo function allows a malicious Git server operator to manipulate object properties by advertising specially crafted reference names. This can reroute network operations through an attacker-controlled proxy, leading to the transmission of user credentials to the attacker."], "name": "CVE-2026-89011", "package_state": [{"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Affected", "package_name": "rhdh/red-hat-developer-hub-backstage-plugin-orchestrator-backend", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Affected", "package_name": "rhdh/red-hat-developer-hub-backstage-plugin-scaffolder-backend-module-orchestrator", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:rhdh:1", "fix_state": "Affected", "package_name": "rhdh/rhdh-hub-rhel9", "product_name": "Red Hat Developer Hub"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Affected", "package_name": "ansible-automation-platform/automation-portal", "product_name": "Self-service automation portal 2"}, {"cpe": "cpe:/a:redhat:ansible_portal:2", "fix_state": "Affected", "package_name": "ansible-automation-platform/bootc-automation-portal-rhel9", "product_name": "Self-service automation portal 2"}], "public_date": "2026-09-10T19:56:25Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-89011\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-89011\nhttps://github.com/isomorphic-git/isomorphic-git/commit/b3db111885230bac9a648e0a2312c65ca66f76eb\nhttps://github.com/isomorphic-git/isomorphic-git/pull/2426\nhttps://github.com/isomorphic-git/isomorphic-git/releases/tag/v1.42.0\nhttps://github.com/isomorphic-git/isomorphic-git/security/advisories/GHSA-83vg-jxvh-fx76\nhttps://www.vulncheck.com/advisories/isomorphic-git-prototype-pollution-via-getremoteinfo"], "threat_severity": "Important"}

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