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CVE-2026-102127

high

An XML parser used by Kiteworks Email Protection Gateway did not restrict external entity references.

Vendor / product: Accellion — kiteworks

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.

CVSS
7.0
7.0 (CVSS v3.1)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L
Severity source: NVD CVSS v3.1 (9119a7d8-5eab-497f-8521-727c672e3725)
Timeline (UTC)
Published: 2026-09-30 21:17
Modified: 2026-10-08 13:43
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

accellion / kiteworks <9.5.1

Weakness classification (CWE)

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Vendor advisory: https://github.com/kiteworks/security-advisories/security/advisories/GHSA-9jwc-h943-6f84

References

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗

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