CVE-2026-55451

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{"bugzilla": {"description": "gettext-converter: gettext-converter: Denial of Service via Prototype Pollution", "id": "2533213", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533213"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.2", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "status": "draft"}, "cwe": "CWE-915", "details": ["gettext-converter provides gettext resource conversion utilities for JavaScript. Prior to 1.3.3, js2i18next() in lib/js2i18next.js splits nested translation keys using options.keyseparator, whose default value consists of two number signs, and uses each segment as a dynamic object key without rejecting __proto__, constructor, or prototype. When an application converts untrusted PO or i18next translation data, a __proto__ segment resolves Object.prototype as the nested write target and Object.assign writes attacker-controlled translated properties onto the process-wide prototype. The resulting prototype pollution can cause denial of service and may enable application-dependent follow-on attacks. This issue is fixed in version 1.3.3.", "A flaw was found in gettext-converter. This vulnerability, known as prototype pollution, occurs in the `js2i18next()` function when processing untrusted translation data. An attacker can craft malicious translation keys containing `__proto__` to modify the global `Object.prototype`. This can lead to a denial of service (DoS) and potentially enable further application-specific attacks."], "name": "CVE-2026-55451", "package_state": [{"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Under investigation", "package_name": "openshift-pipelines/pipelines-console-plugin-pf5-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Under investigation", "package_name": "openshift-pipelines/pipelines-console-plugin-rhel8", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift_pipelines:1", "fix_state": "Under investigation", "package_name": "openshift-pipelines/pipelines-console-plugin-rhel9", "product_name": "OpenShift Pipelines"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Under investigation", "package_name": "openshift4/ose-console", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Under investigation", "package_name": "openshift4/ose-console-rhel9", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Under investigation", "package_name": "odf4/ocs-client-console-rhel9", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Under investigation", "package_name": "odf4/odf-console-rhel9", "product_name": "Red Hat Openshift Data Foundation 4"}, {"cpe": "cpe:/a:redhat:openshift_data_foundation:4", "fix_state": "Under investigation", "package_name": "odf4/odf-multicluster-console-rhel9", "product_name": "Red Hat Openshift Data Foundation 4"}], "public_date": "2026-09-14T16:49:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-55451\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-55451\nhttps://github.com/locize/gettext-converter/commit/df90c3b93e51faef68891d97b626544f619c5b31\nhttps://github.com/locize/gettext-converter/issues/15\nhttps://github.com/locize/gettext-converter/releases/tag/v1.3.3\nhttps://github.com/locize/gettext-converter/security/advisories/GHSA-f4jp-rw7w-ccwg"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.3.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "gettext-converter", "source": "cna", "vendor": "locize"}, "product": "gettext-converter", "vendor": "locize"}], "created": "2026-09-15T13:00:17.196536+00:00", "updated": "2026-09-20T23:45:06.361451+00:00", "vendors": ["locize", "locize$PRODUCT$gettext-converter"]}