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.

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Fixes

Solution

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Workaround

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References
History

Wed, 03 Jun 2026 20:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400

Wed, 03 Jun 2026 19:00:00 +0000

Type Values Removed Values Added
Description 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.
Title CVE-2026-8888
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published:

Updated: 2026-06-03T18:18:13.249Z

Reserved: 2026-05-18T20:40:05.298Z

Link: CVE-2026-8888

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-03T19:16:39.807

Modified: 2026-06-03T19:16:39.807

Link: CVE-2026-8888

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-06-03T20:30:36Z

Weaknesses

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