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CVE-2026-34926

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:9ff88ecbd19430eac70a2cd56e578ac8c06a6d0b887760329430af8db457b062
Known exploited
CISA KEV
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"cpes":["cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*"],"product":"TrendAI Apex One as a Service","vendor":"Trend Micro, Inc.","versions":[{"lessThan":"14.0.20731","status":"affected","version":"SaaS","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/affected/1

{"cpes":["cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*"],"product":"TrendAI Apex One","vendor":"Trend Micro, Inc.","versions":[{"lessThan":"14.0.0.17079","status":"affected","version":"2019 (14.0)","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"cpes":["cpe:2.3:a:trendmicro:apexone_saas:14.0.0.20731:*:*:*:*:*:*:*"],"product":"TrendAI Apex One as a Service","vendor":"Trend Micro, Inc.","versions":[{"lessThan":"14.0.20731","status":"affected","version":"SaaS","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/affected/1
{"cpes":["cpe:2.3:a:trendmicro:apexone_op:14.0.0.17079:*:*:*:*:*:*:*"],"product":"TrendAI Apex One","vendor":"Trend Micro, Inc.","versions":[{"lessThan":"14.0.0.17079","status":"affected","version":"2019 (14.0)","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.7,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-23","description":"CWE-23: Relative Path Traversal","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/problemTypes/0/descriptions/0

Known exploitation assertions

2 source assertions
{"cwes":["CWE-23"],"dateAdded":"2026-05-21","dueDate":"2026-06-04","knownRansomwareCampaignUse":"Unknown","notes":"https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926","product":"Apex One","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key tabl…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:31fba9363f2f13004949478088109cebf91a6f0ce9f53b188051f29e12edd6c1 · sha256:635dff916c4092c0… · /vulnerabilities/60
    Open source location →
{"cwes":["CWE-23"],"dateAdded":"2026-05-21","dueDate":"2026-06-04","knownRansomwareCampaignUse":"Unknown","notes":"https://success.trendmicro.com/en-US/solution/KA-0023430 ; https://nvd.nist.gov/vuln/detail/CVE-2026-34926","product":"Apex One","requiredAction":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","shortDescription":"Trend Micro Apex One (on-premise) contains a directory traversal vulnerability that could allow a pre-authenticated local attacker to modify a key tabl…
  • cisa_kev_jsonknown_exploited
    urn:baitaphish:normalized-source-record:v2:4f1318c7b41fd1aa164ec82f70129edd0b98746fca652717942ba1260ed57fd3 · sha256:16acee8334e59e44… · /vulnerabilities/57
    Open source location →

Source references

5 source assertions
{"url":"https://jvn.jp/en/vu/JVNVU90583059/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/references/2
{"url":"https://success.trendmicro.com/en-US/solution/KA-0023430"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/references/0
{"url":"https://success.trendmicro.com/ja-JP/solution/KA-0022974"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/references/1
{"tags":["government-resource"],"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/adp/0/references/0
{"url":"https://www.jpcert.or.jp/english/at/2026/at260014.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1ea55ae39d4601a2176061a221034c95f83272ae1aafbc678c2fc75c4f659868 · sha256:d4324ef6aa30b317… · /containers/cna/references/3

Attribution and limitations

  • CISA Known Exploited Vulnerabilities JSON: CISA named for provenance; do not use CISA/DHS marks or imply endorsement Source →
  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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