High severity7.5NVD Advisory· Published Jun 3, 2026· Updated Jun 5, 2026
CVE-2026-8888
CVE-2026-8888
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=3.0.7
Patches
Vulnerability mechanics
References
1- kb.cert.org/vuls/id/595768nvdThird Party AdvisoryVDB Entry
News mentions
1- ⚡ Weekly Recap: Instagram Account Hacks, Android Zero-Day, GitHub Worm and MoreThe Hacker News · Jun 8, 2026