01 Record
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
MediumKEVPUBLISHEDCNA: trendmicro
CNA base score6.7 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
02 Description
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
03 Exploitation and scoring
- Exploitation
- Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalog on 2026-05-21. Federal remediation due 2026-06-04.
- SSVC decision
- ExploitationactiveCISA reports credible evidence of active exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 13.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.3% of scored records. A rank, not a probability.
- NVD base score
- 6.7 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-07-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-05-21 13:03Z5 MO AGO
- Last updated
- 2026-05-22 12:47Z5 MO AGO
- Reserved
- 2026-03-31
- Assigning CNA
- trendmicro
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.7)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:L/A:L
- Weaknesses
- CWE-23Relative Path TraversalBase
- Data version
- 5.2
- Document digest
- d4324ef6aa30b317529cd4847e7e59b72aaaf9a3986f4580186ff94411970633
05 Affected products
VendorProductVersionsPlatforms
06 References
- success.trendmicro.comhttps://success.trendmicro.com/en-US/solution/KA-0023430
- success.trendmicro.comhttps://success.trendmicro.com/ja-JP/solution/KA-0022974
- jvn.jphttps://jvn.jp/en/vu/JVNVU90583059/
- www.jpcert.or.jphttps://www.jpcert.or.jp/english/at/2026/at260014.html
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34926