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    2 vulnerabilities found for ON24 Q&A chat by ON24

    CVE-2026-3321 (GCVE-0-2026-3321)

    Vulnerability from nvd – Published: 2026-03-30 13:17 – Updated: 2026-03-30 15:32
    VLAI
    Title
    Authorization Bypass in ON24 Q&A chat
    Summary
    A vulnerability of authorization bypass through user-controlled key in the 'console-survey/api/v1/answer/{EVENTID}/{TIMESTAMP}/' endpoint. Exploiting this vulnerability would allow an unauthenticated attacker to enumerate event IDs and obtain the complete Q&A history. This publicly exposed data may include IDs, private URLs, private messages, internal references, or other sensitive information that should only be exposed to authenticated users. In addition, the leaked content could be exploited to facilitate other malicious activities, such as reconnaissance for lateral movement, exploitation of related systems, or unauthorised access to internal applications referenced in the content of chat messages.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-639 - Authorization bypass through User-Controlled key
    Assigner
    References
    Impacted products
    Vendor Product Version
    ON24 ON24 Q&A chat Affected: 0 , ≤ * (custom)
    		Create a notification for this product.
    Date Public
    2026-03-30 10:00
    Credits
    Samuel de Lucas Maroto
    Show details on NVD website
    To clipboard 

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    CVE-2026-3321 (GCVE-0-2026-3321)

    Vulnerability from cvelistv5 – Published: 2026-03-30 13:17 – Updated: 2026-03-30 15:32
    VLAI
    Title
    Authorization Bypass in ON24 Q&A chat
    Summary
    A vulnerability of authorization bypass through user-controlled key in the 'console-survey/api/v1/answer/{EVENTID}/{TIMESTAMP}/' endpoint. Exploiting this vulnerability would allow an unauthenticated attacker to enumerate event IDs and obtain the complete Q&A history. This publicly exposed data may include IDs, private URLs, private messages, internal references, or other sensitive information that should only be exposed to authenticated users. In addition, the leaked content could be exploited to facilitate other malicious activities, such as reconnaissance for lateral movement, exploitation of related systems, or unauthorised access to internal applications referenced in the content of chat messages.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-639 - Authorization bypass through User-Controlled key
    Assigner
    References
    Impacted products
    Vendor Product Version
    ON24 ON24 Q&A chat Affected: 0 , ≤ * (custom)
    		Create a notification for this product.
    Date Public
    2026-03-30 10:00
    Credits
    Samuel de Lucas Maroto
    Show details on NVD website
    To clipboard 

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