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Accellion Kiteworks CVEs.

Published CVEs affecting Accellion Kiteworks, ranked by exploit odds.

83 CVEs · updated 2026-11-13 09:13 UTC

  1. CVE-2026-102100

    Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-Site Scripting. A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an authenticated user to submit content that, when later viewed by another user, executes arbitrary JavaScript in that user's authenticated session. This could be used to perform actions on the victim's behalf and may have permitted account takeover, including of higher-privileged users. Exploitation requires the victim to view the attacker-supplied content.

    XSS Web app Accellion Kiteworks

    8.7 HIGH 0.3% exploit odds Fix listed
  2. CVE-2026-23635

    Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, a misconfiguration of the security attributes could potentially lead to Unprotected Transport of Credentials under certain circumstances. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.

    Other Accellion Kiteworks

    6.5 MEDIUM 0.3% exploit odds Fix listed
  3. CVE-2026-102092

    Kiteworks Core before version 9.5.0 is vulnerable to Stored Cross-site Scripting (XSS) that could allow an authenticated user to store crafted content that executes arbitrary JavaScript in another user's authenticated session when they preview shared content. This could potentially lead to session compromise and account takeover.

    XSS Web app Accellion Kiteworks

    8.7 HIGH 0.3% exploit odds Fix listed
  4. CVE-2026-102126

    A stored cross-site scripting (XSS) weakness in Kiteworks Core could allow an administrator holding only a single, narrowly scoped delegated permission to store crafted content that later executes arbitrary JavaScript in the authenticated session of a System Administrator who views the affected page. This could have permitted the lower-privileged administrator to escalate to full administrative control of the tenant, including the creation of a new administrative account.

    XSS Web app Accellion Kiteworks

    8.1 HIGH 0.3% exploit odds Fix listed
  5. CVE-2026-102143

    An unauthenticated attacker could cause a file with attacker-controlled content to be written to the appliance filesystem through an administrative upload handler that did not properly authenticate the request. This did not by itself result in code execution, which would require a separate vulnerability to place the file in an executable location.

    Auth & access Accellion Kiteworks

    7.5 HIGH 0.3% exploit odds Fix listed
  6. CVE-2026-102091

    Kiteworks Secure Data Forms before version 9.5.0 is vulnerable to Server-Side Request Forgery that could allow an unauthenticated, remote attacker to make the server issue arbitrary outbound network requests and read back the responses. This could potentially be used to reach internal-only services or other network-restricted resources.

    Disclosure Web app Accellion Kiteworks

    7.5 HIGH 0.3% exploit odds Fix listed
  7. CVE-2026-24751

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, a reflected XSS vulnerability in Kiteworks Secure Data Forms could allow an external attacker to trick a user into executing arbitrary JavaScript code. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    XSS Accellion Kiteworks

    8.2 HIGH 0.3% exploit odds Fix listed
  8. CVE-2026-24752

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, a reflected XSS vulnerability in Kiteworks Secure Data Forms could allow an external attacker to trick a user into executing arbitrary JavaScript code. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    XSS Accellion Kiteworks

    8.2 HIGH 0.3% exploit odds Fix listed
  9. CVE-2026-102145

    An authenticated administrator could cause the server to issue requests to, and interact with, internal network services that are not meant to be reachable through this interface. On its own this did not result in code execution.

    Other Server Accellion Kiteworks

    6.6 MEDIUM 0.3% exploit odds Fix listed
  10. CVE-2026-102137

    An authenticated administrator could bypass the content validation applied to an administrative file upload and store a file containing dangerous content on the appliance. This did not by itself result in code execution, which would require a separate vulnerability to run the stored file.

    Code execution Accellion Kiteworks

    4.1 MEDIUM 0.3% exploit odds Fix listed
  11. CVE-2026-29092

    Kiteworks is a private data network (PDN). Prior to version 9.2.1, a vulnerability in Kiteworks Email Protection Gateway session management allows blocked users to maintain active sessions after their account is disabled. This could allow unauthorized access to continue until the session naturally expires. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.

    Other Accellion Kiteworks

    4.9 MEDIUM 0.3% exploit odds Fix listed
  12. CVE-2026-24750

    Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, an authenticated attacker could exploit an Improper Neutralization of Input During Web Page Generation as Stored XSS when modifying forms. Upgrade Kiteworks to version 9.2.1 or later to receive a patch.

    XSS Accellion Kiteworks

    7.6 HIGH 0.3% exploit odds Fix listed
  13. CVE-2026-102150

    A function in the Kiteworks Advanced Forms component was reachable without authentication. An unauthenticated attacker could potentially use it to carry out a limited set of internal service operations on the Kiteworks platform; it did not permit access to user accounts, stored files, or form submissions.

    Auth & access Web app Accellion Kiteworks

    7.2 HIGH 0.2% exploit odds Fix listed
  14. CVE-2026-102149

    Kiteworks Email Protection Gateway did not sufficiently restrict which account a certificate could be assigned to. This could allow an attacker to associate a certificate with another user's account, affecting the confidentiality and integrity of that account's encrypted mail and, where certificate-based login is enabled, potentially permitting unauthorized access to the account.

    Auth & access Accellion Kiteworks

    9.4 CRITICAL 0.2% exploit odds Fix listed
  15. CVE-2026-102110

    An endpoint used during initial appliance setup did not require authentication and did not correctly enforce its intended state precondition, so during the initial activation window an unauthenticated network attacker could repeatedly re-trigger the privileged activation process. This could disrupt setup and leave the appliance in an incompletely configured state. The issue is only reachable while an appliance is being activated for the first time and not yet fully configured.

    Auth & access Accellion Kiteworks

    5.9 MEDIUM 0.2% exploit odds Fix listed
  16. CVE-2026-102111

    Kiteworks did not enforce the maximum permitted value for a configurable security-policy setting. An authenticated administrator could set this value outside its intended range so that the associated control never activated, while the control continued to appear enabled in the administrative interface and audit log, allowing it to be silently rendered ineffective.

    Other Accellion Kiteworks

    4.9 MEDIUM 0.2% exploit odds Fix listed
  17. CVE-2026-102128

    An identity-verification weakness in Kiteworks Email Protection Gateway allowed the gateway to act on the Kiteworks platform on behalf of a user it had not authenticated, and to provision a platform account for an identity it did not already know. A remote, unauthenticated sender could potentially exploit this to obtain control of a platform account.

    Auth & access Server Accellion Kiteworks

    7.5 HIGH 0.2% exploit odds Fix listed
  18. CVE-2026-102134

    Kiteworks Core did not apply its gateway-level API security controls to every request authenticated through the platform's central authentication service. An authenticated user could reach REST API functionality over a request path on which those controls, including enforcement of signed-out and revoked sessions, were not applied.

    Auth & access Web app Accellion Kiteworks

    5.4 MEDIUM 0.2% exploit odds Fix listed
  19. CVE-2026-102124

    A Kiteworks appliance setup interface did not enforce authentication once the appliance had completed initial configuration. An unauthenticated attacker with network access to the appliance could read and modify a limited set of setup records, including a contact name and email address captured during initial configuration.

    Auth & access Accellion Kiteworks

    6.5 MEDIUM 0.2% exploit odds Fix listed
  20. CVE-2026-102090

    Kiteworks Core before version 9.5.1 is vulnerable to Content Injection. A URL parameter in the PDF viewer was insufficiently validated, allowing an attacker-controlled document to be loaded and displayed under the trust of the legitimate application domain. This could increase the credibility of phishing attempts relying on malicious links embedded in the displayed content.

    Other Web app Accellion Kiteworks

    4.3 MEDIUM 0.2% exploit odds Fix listed
  21. CVE-2026-102127

    An XML parser used by Kiteworks Email Protection Gateway did not restrict external entity references. Where an optional, non-default message-processing feature is enabled, a remote and unauthenticated sender could potentially use a crafted message to read files accessible to the gateway service account, including cryptographic key material and credentials, and have them sent to a destination they control.

    Other Library Accellion Kiteworks

    7.0 HIGH 0.2% exploit odds Fix listed
  22. CVE-2026-23638

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated attacker to tamper with the internal approval flow configurations of forms belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    Auth & access Accellion Kiteworks

    6.5 MEDIUM 0.2% exploit odds Fix listed
  23. CVE-2026-102138

    An authenticated administrator on a node with an optional, separately licensed gateway role enabled could supply a connector URL that the server retrieved without sufficient validation of its scheme or destination, causing the server to issue requests to internal network services. Exploitation requires the licensed gateway role to be active.

    Disclosure Server Accellion Kiteworks

    3.3 LOW 0.2% exploit odds Fix listed
  24. CVE-2026-24753

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated user to modify resources belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    Auth & access Accellion Kiteworks

    6.5 MEDIUM 0.2% exploit odds Fix listed
  25. CVE-2026-102107

    Kiteworks Core contains a business logic flaw in a Kiteworks file-request feature allowed an authenticated user to send a request that appeared to originate from another user, because the server did not verify that the requester was authorized to act as the specified account. This could be used to solicit files or information from a recipient under a trusted identity; exploitation requires the feature to be enabled for the attacker's profile and the targeted recipient to act on the request.

    Auth & access Web app Accellion Kiteworks

    4.6 MEDIUM 0.2% exploit odds Fix listed
  26. CVE-2026-102122

    Kiteworks did not correctly enforce which roles a shared folder's manager was permitted to assign. In a default configuration, an authenticated user holding the Manager role on a folder could grant the Owner role to themselves or to other members of that folder.

    Auth & access Web app Accellion Kiteworks

    4.3 MEDIUM 0.2% exploit odds Fix listed
  27. CVE-2026-24756

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated user to modify resources belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    Auth & access Accellion Kiteworks

    4.3 MEDIUM 0.2% exploit odds Fix listed
  28. CVE-2026-24761

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated user to access metadata of resources belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    Auth & access Accellion Kiteworks

    3.7 LOW 0.1% exploit odds Fix listed
  29. CVE-2026-102140

    An authenticated administrator could initiate an administrative import using a file whose contents were not fully verified, because the import validated only the file's header rather than the complete file. This could allow unverified or forged content to be accepted and processed, affecting the integrity of the imported data.

    Other Accellion Kiteworks

    4.9 MEDIUM 0.1% exploit odds Fix listed
  30. CVE-2026-24755

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, an Insecure Direct Object Reference (IDOR) vulnerability in Kiteworks Secure Data Forms allows an authenticated user to modify permissions on resources belonging to other users due to insufficient authorization checks on resource ownership. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    Auth & access Accellion Kiteworks

    5.4 MEDIUM 0.1% exploit odds Fix listed
  31. CVE-2026-24754

    Kiteworks is a private data network (PDN). Prior to version 9.3.0, a stored XSS vulnerability in Kiteworks Secure Data Forms could allow an authenticated attacker to execute arbitrary JavaScript code in other users' sessions. Upgrade Kiteworks to version 9.3.0 or later to receive a patch.

    XSS Accellion Kiteworks

    5.4 MEDIUM 0.1% exploit odds Fix listed
  32. CVE-2026-102136

    In multi-node deployments, an attacker who had already obtained code execution on one appliance node could submit a value through an internal cluster interface that was written into monitoring configuration on another node without sufficient validation, potentially allowing OS commands to be executed there. Execution was limited to an unprivileged service account on that node.

    Other Accellion Kiteworks

    6.3 MEDIUM 0.1% exploit odds Fix listed
  33. CVE-2026-102141

    Two Kiteworks Core cluster-management operations did not validate file paths supplied to them, so an attacker holding root on one node of a cluster could write files as root onto another node and cause them to be executed there. Exploitation requires backend root access on a cluster node and a pending software patch present on the target node.

    Other Accellion Kiteworks

    6.7 MEDIUM 0.1% exploit odds Fix listed

All CVEs affecting Accellion Kiteworks that appear in CVE.org and NVD, sorted by how likely they are to be exploited (EPSS), with fix status and timeline.