KEV Entry

CVE-2026-109618

Known Exploited Vulnerability Entry CISA

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Entry Details
Confirmed Exploited

CVE-2026-109618

2026-10-26 00:00 UTC

Timestamps

2026-10-26

2026-10-26

Scope

PHP Memory Corruption Vulnerability | Affected: PHP Group / PHP | Description: PHP contains an out-of-memory corruption vulnerability that allows for unauthenticated remote code execution. | Required action: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-10-29 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): This vulnerability affects an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://www.php.net/ ; https://www.cisa.gov/news-events/alerts/2026/10/21/critical-vulnerabilities-php-require-immediate-patching ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-109618

References
  • {'id': 'CVE-2026-109618', 'url': 'https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2026-109618'}

cbdbfac8-85ed-472a-8c8a-1564ffe2368d

CISA
405284c2-e461-4670-8979-7fd2c9755a60

2026-10-26 23:00 UTC

2026-10-26 23:00 UTC

Evidence
1
Type Source Signal Confidence Details GCVE Metadata
vendor_report cisa-kev successful_exploitation 0.80
View details 
{
  "cwes": [
    "CWE-416",
    "CWE-755",
    "CWE-824",
    "CWE-1325",
    "CWE-1419"
  ],
  "date_added": "2026-10-26",
  "due_date": "2026-10-29",
  "feed": "CISA Known Exploited Vulnerabilities Catalog",
  "knownRansomwareCampaignUse": "Unknown",
  "product": "PHP",
  "vendorProject": "PHP Group",
  "vulnerabilityName": "PHP Memory Corruption Vulnerability"
}
 -
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