{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8888", "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b", "state": "PUBLISHED", "assignerShortName": "certcc", "dateReserved": "2026-05-18T20:40:05.298Z", "datePublished": "2026-06-03T18:16:25.264Z", "dateUpdated": "2026-06-04T19:48:31.510Z"}, "containers": {"cna": {"title": "CVE-2026-8888", "descriptions": [{"lang": "en", "value": "Version 3.0.7 of the Securly Chrome Extension downloads config.json over HTTP and compiles server-provided patterns as JavaScript regular expressions via new RegExp() without complexity validation. An on-path attacker can inject specific patterns to cause catastrophic backtracking, resulting in denial of service on all browsing."}], "source": {"discovery": "UNKNOWN"}, "affected": [{"vendor": "Securly", "product": "Securly Chrome Extension", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "3.0.7", "versionType": "custom"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-1333"}]}], "references": [{"url": "https://kb.cert.org/vuls/id/595768"}], "x_generator": {"engine": "VINCE 3.0.42", "env": "prod", "origin": "https://cveawg.mitre.org/api/cve/CVE-2026-8888"}, "providerMetadata": {"orgId": "37e5125f-f79b-445b-8fad-9564f167944b", "shortName": "certcc", "dateUpdated": "2026-06-03T18:18:13.249Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1333", "lang": "en", "description": "CWE-1333 Inefficient Regular Expression Complexity"}]}], "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": "2026-06-04T19:48:22.314942Z", "id": "CVE-2026-8888", "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": "2026-06-04T19:48:31.510Z"}}]}}