KnowledgeDeliver flaw exploited as a zero-day to install web shells
2026-05-27T07:23:29Z•f6636482ed8910151ad82211bd41eaa45d75bf916bbe9ac597c8c21bf84662ce
CVE-2026-26980ClickFixDrupalGhost CMSGodzillaKali365KnowledgeDeliverLMSLaravel LangMFA bypassMicrosoft 365OAuth device codeSQL injectionShinyHuntersactive exploitationcredential theftdata breachphishing-as-a-servicesupply chainweb shellzero-day
What happened
Multiple high-risk incidents reported: a critical zero-day in the KnowledgeDeliver LMS is being actively exploited to deploy the Godzilla web shell, allowing persistent web-shell access on compromised servers. CISA ordered federal agencies to patch an actively exploited Drupal SQL injection flaw, and Ghost CMS is being abused in a large-scale ClickFix campaign leveraging CVE-2026-26980 to inject malicious JavaScript. The FBI warns of the Kali365 phishing-as-a-service that abuses OAuth device-code flows to hijack Microsoft 365 accounts and bypass MFA. Additionally, ShinyHunters extortion led to
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- bleepingcomputer
- Record identifier
- f6636482ed8910151ad82211bd41eaa45d75bf916bbe9ac597c8c21bf84662ce
- Enrichment time
- 2026-05-27T07:23:29Z
- AI-assisted enrichment
- Yes
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