CVE-2026-116584

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{"affected": [{"affectedData": [{"product": "seroval", "vendor": "lxsmnsyc", "versions": [{"status": "affected", "version": ">= 1.4.1, < 1.6.8"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Seroval facilitates JavaScript value stringification, including complex structures beyond JSON.stringify capabilities. From 1.4.1 until 1.6.8, fromJSON and fromCrossJSON do not require an array node's element list to be an actual array. A small crafted payload can supply an attacker-controlled length that determines memory allocation and decoder iterations independently of payload size, allowing an unauthenticated request to exhaust the process or block its thread. This issue is a residual bypass of the remediation for CVE-2026-23957. This issue is fixed in version 1.6.8."}], "id": "CVE-2026-116584", "lastModified": "2026-11-02T19:17:56.290", "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": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-116584", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-02T18:12:27.298828Z", "version": "2.0.3"}}]}, "published": "2026-10-26T21:18:17.053", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/lxsmnsyc/seroval/commit/cdcee3e3bc384ee844360844f8ea98fd2b275d69"}, {"source": "security-advisories@github.com", "url": "https://github.com/lxsmnsyc/seroval/releases/tag/seroval@1.6.8"}, {"source": "security-advisories@github.com", "url": "https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-wp97-x4hv-qvhp"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-770"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "seroval: seroval: Denial of Service via manipulated array length during deserialization", "id": "2561423", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2561423"}, "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-130", "details": ["A flaw was found in seroval. A remote, unauthenticated attacker can trigger a Denial of Service (DoS) by supplying a crafted serialized payload containing a manipulated array length. Because the deserialization routines do not verify that an array node contains a valid list of elements, the application allocates excessive memory and enters extensive processing loops, causing the process to block execution threads or exhaust available system resources."], "name": "CVE-2026-116584", "package_state": [{"cpe": "cpe:/a:redhat:ansible_automation_orchestrator:2026.8", "fix_state": "Affected", "package_name": "ansible-automation-platform/automation-orchestrator-ui-rhel9", "product_name": "Ansible Automation Orchestrator 2026"}], "public_date": "2026-10-26T20:52:38Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116584\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116584\nhttps://github.com/lxsmnsyc/seroval/commit/cdcee3e3bc384ee844360844f8ea98fd2b275d69\nhttps://github.com/lxsmnsyc/seroval/releases/tag/seroval@1.6.8\nhttps://github.com/lxsmnsyc/seroval/security/advisories/GHSA-wp97-x4hv-qvhp"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.4.1,1.6.8)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "seroval", "source": "cna", "vendor": "lxsmnsyc"}, "product": "seroval", "vendor": "lxsmnsyc"}], "created": "2026-10-27T00:00:10.547387+00:00", "updated": "2026-10-27T13:45:02.808396+00:00", "vendors": ["lxsmnsyc", "lxsmnsyc$PRODUCT$seroval"], "weaknesses": ["CWE-130", "CWE-770"]}