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VulnerabilitiesMay 15, 2026

‼️ CVE-2026-34621: Adobe Acrobat 2026 Prototype Pollution & JS Injection Chain GitHub: https...

CVE-2026-34621 discloses prototype pollution and JavaScript injection chain in Adobe Acrobat 2026.

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Summary

A new vulnerability (CVE-2026-34621) has been disclosed affecting Adobe Acrobat 2026, combining prototype pollution with JavaScript injection into a dangerous attack chain. Technical details and proof-of-concept code have been published on GitHub, along with a detailed write-up. This represents a critical flaw allowing arbitrary code execution through PDF manipulation.

Indicators of Compromise

  • cve — CVE-2026-34621

Entities

Adobe Acrobat 2026 (product)Adobe (vendor)