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CVE-2026-34926

is CVE-2026-34926real, exploitable, or a false positive? Here's the community ground truth.

Medium · CVSS 6.7EPSS 1.1%CISA KEVCWE-23

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L

A directory traversal vulnerability in the Apex One (on-premise) server could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. This vulnerability is only exploitable on the on-premise version of Apex One and a potential attacker must have access to the Apex One Server and already obtained administrative credentials to the server via some other method to exploit this vulnerability.

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Community ground truth

Community verdict

3 verdicts
Not a real issue

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Community real-world severity: High (High 3) — CVSS base score 6.7

Practitioners rate this higher than its CVSS — treat with extra caution.

Field notes & remediation

Verdicts are the quick signal — notes are the evidence and fixes behind them.

  • 0
    Field note · Marco FerriCurated

    Trend Micro Apex One (On-Premise) Directory Traversal Vulnerability — Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key table on the server to inject malicious code to deploy to agents on affected installations. Listed in the CISA KEV catalog (added 2026-05-21) — confirmed exploited in the wild, not theoretical. FIRST EPSS puts the chance of exploitation in the next 30 days at ~1%. Treat it as real and prioritize remediation over triage.

  • 0
    Remediation · Waleed AzizCurated

    Required action for Trend Micro Apex One: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA set a federal remediation due date of 2026-06-04. After patching, verify the vulnerable path is no longer reachable before closing the finding.

Same weaknessCWE-23.