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Critical 9.1Published Sep 30, 2026

CVE-2026-102095Kiteworks Email Protection Gateway server-side request forgery

Updated under an hour ago ()

Does this affect you?

It affects Kiteworks Email Protection Gateway and 1 other product. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.41%, higher than 33% of scored CVEs.

Kiteworks Email Protection Gateway before version 9.5.0 is vulnerable to Server-Side Request Forgery. Kiteworks Email Protection Gateway performed server-side fetches of URLs contained in the message content it processed, without adequately restricting the fetch destination. A remote, unauthenticated sender could craft a message that caused the gateway to issue requests to internal services and cloud instance metadata endpoints and return the responses, potentially disclosing sensitive internal data and, depending on the internal service reached, affecting its state.

CVSS
9.1 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE)
CWE-918
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.41% (percentile 33)
Assigned by
cisa-cg
NVD analysis
Analyzed
Record last updated
Oct 1, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Kiteworks Email Protection Gateway
kiteworks:email_protection_gateway (from the name)
before 9.5.0; 9.5.0 not affected
CNA record
accellion kiteworks
accellion:kiteworks
before 9.5.0
NVD

References

  • vendor-advisory
  • broken-link

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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