{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-106550", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-10-06T20:07:46.075Z", "datePublished": "2026-10-06T20:09:55.919Z", "dateUpdated": "2026-10-07T19:33:03.505Z"}, "containers": {"cna": {"title": "CVE-2026-106550", "descriptions": [{"lang": "en", "value": "Mozilla's Node-convict (version 6.2.2 and later) is vulnerable to a Denial of Service vulnerability caused by incomplete prototype\u2011pollution protections in config.set(). An attacker controlling the configuration key can write arbitrary properties to constructor.<key>, which walk() resolves to the global Object function. This allows overwriting core JavaScript methods such as Object.assign, leading to persistent process-wide failures and requiring a restart. The issue bypasses existing filters that only block constructor.prototype.* and __proto__.*. Exploitation requires an endpoint that forwards attacker-controlled keys into config.set()."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Mozilla", "product": "Node-convict", "versions": [{"status": "affected", "version": "6.2.2"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (\u2018Prototype Pollution\u2019)"}]}, {"descriptions": [{"lang": "en", "description": "CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes"}]}, {"descriptions": [{"lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption (\u2018Denial of Service\u2019)"}]}], "references": [{"url": "https://github.com/mozilla/node-convict"}, {"url": "https://github.com/tomasilluminati/security-research/blob/main/CVE-2026-106550/README.md"}], "x_generator": {"engine": "VINCE 3.0.50", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-106550"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-10-07T19:33:03.505Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1321", "lang": "en", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}, {"type": "CWE", "cweId": "CWE-915", "lang": "en", "description": "CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes"}, {"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T15:05:14.037126Z", "id": "CVE-2026-106550", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"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": "2026-10-07T15:05:19.730Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-106550", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T15:05:14.037126Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1321", "description": "CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')"}, {"lang": "en", "type": "CWE", "cweId": "CWE-915", "description": "CWE-915 Improperly Controlled Modification of Dynamically-Determined Object Attributes"}, {"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T15:05:07.527Z"}}], "cna": {"title": "CVE-2026-106550", "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Mozilla", "product": "Node-convict", "versions": [{"status": "affected", "version": "6.2.2"}]}], "references": [{"url": "https://github.com/mozilla/node-convict"}, {"url": "https://github.com/tomasilluminati/security-research/blob/main/CVE-2026-106550/README.md"}], "x_generator": {"env": "prod", "engine": "VINCE 3.0.50", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-106550"}, "descriptions": [{"lang": "en", "value": "Mozilla's Node-convict (version 6.2.2 and later) is vulnerable to a Denial of Service vulnerability caused by incomplete prototype\u2011pollution protections in config.set(). An attacker controlling the configuration key can write arbitrary properties to constructor.<key>, which walk() resolves to the global Object function. This allows overwriting core JavaScript methods such as Object.assign, leading to persistent process-wide failures and requiring a restart. The issue bypasses existing filters that only block constructor.prototype.* and __proto__.*. Exploitation requires an endpoint that forwards attacker-controlled keys into config.set()."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-1321: Improperly Controlled Modification of Object Prototype Attributes (\u2018Prototype Pollution\u2019)"}]}, {"descriptions": [{"lang": "en", "description": "CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes"}]}, {"descriptions": [{"lang": "en", "description": "CWE-400: Uncontrolled Resource Consumption (\u2018Denial of Service\u2019)"}]}], "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-10-07T19:33:03.505Z"}}}, "cveMetadata": {"cveId": "CVE-2026-106550", "state": "PUBLISHED", "dateUpdated": "2026-10-07T19:33:03.505Z", "dateReserved": "2026-10-06T20:07:46.075Z", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "datePublished": "2026-10-06T20:09:55.919Z", "assignerShortName": "certcc"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Node-convict", "vendor": "Mozilla", "versions": [{"status": "affected", "version": "6.2.2"}]}], "source": "cret@cert.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Mozilla's Node-convict (version 6.2.2 and later) is vulnerable to a Denial of Service vulnerability caused by incomplete prototype\u2011pollution protections in config.set(). An attacker controlling the configuration key can write arbitrary properties to constructor.<key>, which walk() resolves to the global Object function. This allows overwriting core JavaScript methods such as Object.assign, leading to persistent process-wide failures and requiring a restart. The issue bypasses existing filters that only block constructor.prototype.* and __proto__.*. Exploitation requires an endpoint that forwards attacker-controlled keys into config.set()."}], "id": "CVE-2026-106550", "lastModified": "2026-10-07T20:17:10.790", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-106550", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T15:05:14.037126Z", "version": "2.0.3"}}]}, "published": "2026-10-06T21:17:18.810", "references": [{"source": "cret@cert.org", "url": "https://github.com/mozilla/node-convict"}, {"source": "cret@cert.org", "url": "https://github.com/tomasilluminati/security-research/blob/main/CVE-2026-106550/README.md"}], "sourceIdentifier": "cret@cert.org", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-400"}, {"lang": "en", "value": "CWE-915"}, {"lang": "en", "value": "CWE-1321"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "convict: convict: Denial of Service via prototype pollution in config.set()", "id": "2547143", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547143"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-915", "details": ["A flaw was found in convict. An attacker capable of submitting untrusted configuration keys can bypass property filters within the config.set() function to modify base JavaScript objects. This prototype pollution allows the attacker to alter fundamental language methods, causing persistent process-wide failures and resulting in a denial of service (DoS) that requires an application restart."], "name": "CVE-2026-106550", "package_state": [{"cpe": "cpe:/a:redhat:podman_desktop:1", "fix_state": "Affected", "package_name": "rh-podman-desktop", "product_name": "Red Hat Build of Podman Desktop"}], "public_date": "2026-10-06T20:09:55Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-106550\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-106550\nhttps://github.com/mozilla/node-convict"], "threat_severity": "Important"}

{"created": "2026-10-07T00:30:08.435881+00:00", "title": "Prototype Pollution in Node-Convict Allows Persistent Denial of Service", "updated": "2026-10-07T19:00:16.127410+00:00", "vendors": []}