Vendors
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KnowledgeDeliver flaw used in zero-day attacks to deploy Godzilla web shell
A zero-day flaw in Digital Knowledge’s KnowledgeDeliver learning management system was used to deploy the Godzilla web shell and later Cobalt Strike Beacon. The issue stemmed from hard-coded ASP.NET machine keys and affected deployments before Feb. 24, 2026.
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CISA adds exploited Langflow and Trend Micro flaws to vulnerability catalog
CISA added exploited flaws in Langflow and Trend Micro Apex One to its Known Exploited Vulnerabilities catalog on Thursday, citing active attacks. Federal civilian agencies must patch the issues by June 4, 2026.
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Cisco patches maximum-severity flaw in Secure Workload
Cisco has patched a CVSS 10.0 flaw in Secure Workload that could let an unauthenticated remote attacker read sensitive data and make configuration changes. The company said it found the bug during internal testing and has seen no signs of abuse.
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Microsoft says two Defender flaws are under active exploitation
Microsoft said two Defender vulnerabilities, including one that could lead to SYSTEM privileges, are under active exploitation. CISA has added both flaws to its known exploited list and set a June 3 deadline for federal agencies.
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GitHub investigates claim of internal repository theft after TeamPCP listing
GitHub said it is investigating unauthorized access to internal repositories after TeamPCP claimed it was selling source code and internal data. The company said it has no evidence of customer impact outside internal repositories.
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Researchers disclose critical SEPPMail gateway flaws that could allow remote code execution
Researchers disclosed seven critical flaws in SEPPMail Secure E-Mail Gateway that could allow remote code execution and reading of arbitrary mail. SEPPmail has issued fixes across recent versions, including patches for multiple CVEs rated above 9.0.
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Grafana says GitHub token breach let intruder download codebase
Grafana said a stolen token let an unauthorized party access its GitHub environment and download code. The company said no customer data was exposed and that the attacker later tried to extort payment.
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Avada Builder WordPress flaws could expose site credentials, database data
Two flaws in the Avada Builder WordPress plugin could let attackers read server files or pull data from the database. The issues affect versions through 3.15.2 and 3.15.1, and site owners were urged to upgrade to 3.15.3.
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OpenAI says two employees were affected in TanStack supply chain attack
OpenAI said two employees were affected in the TanStack supply chain attack, and it rotated code-signing certificates as a precaution. The company said customer data and production systems were not impacted.
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Microsoft says on-prem Exchange flaw under active exploitation
Microsoft said an actively exploited Exchange Server flaw affects on-premises versions 2016, 2019 and Subscription Edition. The company issued temporary mitigations and said Exchange Online is not affected.
