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Back to active CVEs
High · CVSS 8.1CVE-2026-102101

Kiteworks Core deserialization of untrusted data

Answer in brief

CVE-2026-102101 records a High severity (CVSS 8.1) vulnerability in Kiteworks Core deserialization of untrusted data. The current sources do not mark it as known exploited. The current feed maps Kiteworks/Core (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 30, 2026Updated Oct 1, 2026Source checked Oct 1, 2026First seen by HOL Sep 30, 2026Material review Oct 1, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Available

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Kiteworks/Core (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Kiteworks/Coregeneric>=0 <9.5.09.5.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Kiteworks/Core.
  2. 2Review the reported fix. Update Kiteworks/Core to 9.5.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Sep 30, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 1, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Sep 30, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • Source referenceraw.githubusercontent.com
Upstream source description

Kiteworks Core before version 9.5.0 is vulnerable to Deserialization of Untrusted Data. A deserialization weakness in Kiteworks Core could, under certain conditions, allow crafted data to be deserialized unsafely, potentially resulting in remote code execution on the appliance. Exploitation depends on an attacker first being able to influence the affected data, so this issue is not exploitable on its own.

Quoted source text, attributed separately from HOL analysis.

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  • Out-of-bounds write in PeaZip PEA extractor allows code execution via a crafted .pea archiveSame generic ecosystem
  • Cadmos LTI exposure of sensitive information via debug modeSame generic ecosystem
  • Joyland AI hard-coded credentials for push notificationsSame generic ecosystem

Record context

Vulnerability class
Deserialization
EPSS
Not reported
CWE IDs
CWE-502
Source
CVE List V5
Source checked
Oct 1, 2026
References
2 linked sources
Open source record