01 Record
CVE-2026-9776
ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability
HighPUBLISHEDCNA: zdi
CNA base score7.5 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
02 Description
ATEN Unizon writeFileToHttpServletResponse Directory Traversal Information Disclosure Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 1.85% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 78.5% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-25.
- 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
- 2026-06-24 21:36Z4 MO AGO
- Last updated
- 2026-06-25 12:52Z4 MO AGO
- Reserved
- 2026-05-27
- Assigning CNA
- zdi
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base
- Data version
- 5.2
- Document digest
- 81774fdb2e4e0efb84b9db42eb5f6c7798824e29afa6de0db68f6209bbdcc9b1
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.zerodayinitiative.comZDI-26-380https://www.zerodayinitiative.com/advisories/ZDI-26-380/
- www.aten.comvendor-provided URLhttps://www.aten.com/global/en/supportcenter/info/security-advisory/29/