Threat Brief: Critical Vulnerabilities in PHP: CVE-2026-109618, CVE-2026-109619 (Updated October 25)

2026-10-26T20:51:32Z•ed49cd357196f86546021ec1a1a2f1268087b29560d41654e17faf9101e70033
CVE-2024-47575CVE-2026-0257CVE-2026-109618CVE-2026-109619CVE-2026-88771CVE-2026-88772AI-assisted-cybercrimeAI-espionageFortiGateFortiManagerKubernetesLinuxNetScalerOAuthPAN-OSPEERSTITCHPHPRBACTLS-certificate-compromiseactive-exploitationcloud-securitycredential-abuseeMudhrainitial-accessman-in-the-middlephishingransomwaresupply-chain-attackersummer?‌vulnerabilityweb-shellzero-day

What happened

Unit 42 reporting covers critical and actively exploited vulnerabilities in PHP, PAN-OS and NetScaler, compromised eMudhra certificate authorities, OAuth and initial-access threats, AI-assisted cybercrime and espionage, firewall implants, cloud and Kubernetes supply-chain risks, and campaigns targeting critical infrastructure. The most urgent items are in-the-wild exploitation of PAN-OS CVE-2026-0257 and NetScaler CVE-2026-88771/CVE-2026-88772, alongside the FortiGate-related PEERSTITCH intrusion exploiting CVE-2024-47575.

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
paloalto_unit42
Record identifier
ed49cd357196f86546021ec1a1a2f1268087b29560d41654e17faf9101e70033
Enrichment time
2026-10-26T20:51:32Z
AI-assisted enrichment
Yes

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