{"id":"EUVD-2026-60942","enisaUuid":"c7695886-5c2c-31a7-9ddb-d3f517fdda0b","description":"Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON() allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine internal Promise resolver records, causing deserialization side effects with plugins enabled and potentially unintended server-side invocation or remote code execution when downstream frameworks register callable wrappers. This issue is fixed in version 1.5.3.","datePublished":"Aug 18, 2026, 2:34:28 PM","dateUpdated":"Aug 18, 2026, 3:49:59 PM","baseScore":9.8,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","references":"https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-mv8w-475r-vwqw\n","aliases":"CVE-2026-59940\nGHSA-mv8w-475r-vwqw\n","assigner":"GitHub_M","epss":0.81,"enisaIdProduct":[{"id":"d5d480d1-3534-3d68-974d-8652f41e42b7","product":{"name":"seroval","vendor":{"name":"lxsmnsyc"}},"product_version":"\u003c 1.5.3"}],"enisaIdVendor":[{"id":"a4752c61-026f-3889-be30-f49bc7ab6d65","vendor":{"name":"lxsmnsyc"}}],"enisaIdVulnerability":[{"id":"5857e75e-eef6-3834-b8e3-3da8177dfd94","vulnerability":{"id":"CVE-2026-59940","description":"Seroval facilitates JS value stringification, including complex structures beyond JSON.stringify capabilities. Prior to 1.5.3, seroval.fromJSON() allows attacker-controlled JSON Promise control nodes to operate on values from the general deserialization reference table without verifying genuine internal Promise resolver records, causing deserialization side effects with plugins enabled and potentially unintended server-side invocation or remote code execution when downstream frameworks register callable wrappers. This issue is fixed in version 1.5.3.","datePublished":"Aug 18, 2026, 2:34:28 PM","dateUpdated":"Aug 18, 2026, 3:49:59 PM","status":"PUBLISHED","baseScore":9.8,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","references":"https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-mv8w-475r-vwqw\n","enisa_id":"EUVD-2026-60942\n","assigner":"GitHub_M","epss":0.81,"dataProcessed":"Nov 3, 2026, 7:17:32 AM","vulnerabilityProduct":[{"id":"dd83f08c-de90-3a3d-a412-24959768c780","product":{"name":"seroval","vendor":{"name":"lxsmnsyc"}},"product_version":"\u003c 1.5.3"}],"vulnerabilityVendor":[{"id":"5aa0ed43-c6b3-359c-8f5a-9c97735457ac","vendor":{"name":"lxsmnsyc"}}]}},{"id":"d255a29b-0066-3ee6-9fa9-7d75aefbe8df","vulnerability":{"id":"GHSA-mv8w-475r-vwqw","description":"seroval: `seroval.fromJSON()` Promise resolver type confusion invokes attacker-controlled methods during deserialization","datePublished":"Jul 24, 2026, 4:14:05 PM","dateUpdated":"Jul 24, 2026, 4:14:06 PM","baseScore":0.0,"references":"https://github.com/lxsmnsyc/seroval/security/advisories/GHSA-mv8w-475r-vwqw\nhttps://github.com/lxsmnsyc/seroval\nhttps://www.npmjs.com/package/seroval/v/1.5.3\n","enisa_id":"EUVD-2026-60942\n","aliases":"GHSA-mv8w-475r-vwqw\nCVE-2026-59940\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:03:08 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[{"id":"4bb84120-c746-3d9c-944e-68ee8ca9d83d","advisory":{"id":"openSUSE-SU-2026:11673-1","description":"opencode-1.18.26-1.1 on GA media","summary":"opencode-1.18.26-1.1 on GA media","datePublished":"Sep 2, 2026, 12:00:00 AM","dateUpdated":"Oct 28, 2026, 5:57:13 PM","baseScore":0.0,"references":"https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2026_11673-1.json\nhttps://www.suse.com/security/cve/CVE-2026-23736/\nhttps://www.suse.com/security/cve/CVE-2026-23737/\nhttps://www.suse.com/security/cve/CVE-2026-59940/\n","aliases":"CVE-2026-23736\nCVE-2026-23737\nCVE-2026-59940\n","source":{"id":21,"name":"csaf_opensuse"},"advisoryProduct":[{"id":"233bd2d2-3282-3f43-a0d1-55ddc7887592","product":{"name":"opencode-0:1.18.26-1.1.ppc64le","vendor":{"name":"SUSE"}}},{"id":"8e5cd2e8-d4e8-3357-b693-4e467739a6b6","product":{"name":"opencode-0:1.18.26-1.1.aarch64","vendor":{"name":"SUSE"}}},{"id":"95190b57-8515-360d-829d-f261a88d246c","product":{"name":"openSUSE Tumbleweed","vendor":{"name":"SUSE"}}},{"id":"ab40fb3f-4bdb-346c-a01b-49d602bfa7ae","product":{"name":"opencode-0:1.18.26-1.1.s390x","vendor":{"name":"SUSE"}}},{"id":"ef1d4c4d-6a10-310a-a0a6-41bd1e40caea","product":{"name":"opencode-0:1.18.26-1.1.x86_64","vendor":{"name":"SUSE"}}}]}}]}