How severe is CVE-2026-24751?

CVE-2026-24751 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2026-24751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-24751?

CVE-2026-24751 affects Accellion Kiteworks. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-24751?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-24751 have an EU (EUVD) identifier?

Yes. CVE-2026-24751 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33749.

When was CVE-2026-24751 published?

CVE-2026-24751 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-24751

CVE-2026-24751 is a high-severity vulnerability in Accellion Kiteworks with a CVSS 3.x base score of 8.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 8.2)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33749
Weakness: CWE-79
Affected product: Accellion Kiteworks
Published: 2026-06-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-24751?: CVE-2026-24751 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2026-24751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-24751?: CVE-2026-24751 affects Accellion Kiteworks. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-24751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-24751 have an EU (EUVD) identifier?: Yes. CVE-2026-24751 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33749.
When was CVE-2026-24751 published?: CVE-2026-24751 was published on 2026-06-01 and last updated on 2026-06-17.

References

https://github.com/kiteworks/security-advisories/security/advisories/GHSA-xp8m-wmmp-f947

Affected products (1)

cpe:2.3:a:accellion:kiteworks:*:*:*:*:*:*:*:*

More vulnerabilities in Accellion Kiteworks

CVE-2026-23514 — High (CVSS 8.8): Kiteworks is a private data network (PDN). Versions 9.2.0 and 9.2.1 of Kiteworks Core have an access control…
CVE-2021-31586 — High (CVSS 8.8): Accellion Kiteworks before 7.4.0 allows an authenticated user to perform SQL Injection via LDAPGroup Search.
CVE-2026-24752 — High (CVSS 8.2): Kiteworks is a private data network (PDN). Prior to version 9.3.0, a reflected XSS vulnerability in Kiteworks Secure…
CVE-2026-28272 — High (CVSS 8.1): Kiteworks is a private data network (PDN). Prior to version 9.2.0, a vulnerability in Kiteworks Email Protection…
CVE-2026-24782 — High (CVSS 7.6): Kiteworks is a private data network (PDN). Prior to version 9.3.0,ultiple SQL Injection vulnerabilities in Kiteworks…
CVE-2026-24750 — High (CVSS 7.6): Kiteworks is a private data network (PDN). In Kiteworks Secure Data Forms prior to version 9.2.1, an authenticated…

All CVEs affecting Accellion Kiteworks →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →