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3 IOCs

php2shell: Assessing Elastic detection coverage relevant to CVE-2026-109618 and CVE-2026-109619

Elasticsearch Security Labs
Elasticsearch Security Labs
Published October 21, 2026Original Report

Excerpt

On October 20, 2026, details of two critical remote code execution vulnerabilities in PHP, CVE-2026-109618 and CVE-2026-109619 , leaked online ahead of their coordinated disclosure and before any patch existed. The PHP security team responded with advance notice of an emergency security release, scheduled for October 21, 2026 at 14:00 UTC, and rated both flaws critical with a CVSS v4.0 score of 9.2. Researchers at watchTowr confirmed the vulnerabilities are real and said they…

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Indicators of Compromise

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3 indicators

TypeIndicatorConfidenceScoreFirst Seen
SHA131c0ea7d7ff1d1fccb6492e52dab544011628065MediumScore 53/100First seen
CVECVE-2026-109618HighScore 83/100First seen
CVECVE-2026-109619HighScore 83/100First seen

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