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Tracked as CVE-2026-55040, this authentication bypass security flaw in the JWT token validation pipeline can be exploited by attackers with…

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  • Tracked as CVE-2026-55040, this authentication bypass security flaw in the JWT token validation pipeline can be exploited by attackers without privileges to perform operations as a SharePoint site user or administrator. https://www. bleepingcomputer.com/news/micr osoft/hackers-leverage-new-microsoft-sharepoint-exploit-in-attacks/

    jbhall56@infosec.exchangeMastodon · toot.community12h agoview on Mastodon ↗

  • Hackers have already begun using a proof-of-concept (PoC) exploit for a critical Microsoft SharePoint vulnerability, published by cybersecurity company Rapid7 on Tuesday. https://www. bleepingcomputer.com/news/micr osoft/hackers-leverage-new-microsoft-sharepoint-exploit-in-attacks/

    BleepingComputer@infosec.exchangeMastodon · journa.host12h agoview on Mastodon ↗

  • Bleeping Computer: Hackers leverage new Microsoft SharePoint exploit in attacks https://www. bleepingcomputer.com/news/micr osoft/hackers-leverage-new-microsoft-sharepoint-exploit-in-attacks/

    headlines_bot@m.ai6yr.orgMastodon · newsie.social12h agoview on Mastodon ↗