Directory Traversal in ArcGIS Server
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
Esri ArcGIS Server contains a directory traversal vulnerability. ArcGIS Enterprise on Kubernetes is not impacted. An unauthenticated attacker could exploit this issue by sending crafted path parameters. Successful exploitation could allow overwriting sensitive files on the system. Abuse of this issue can allow full administrative access to ArcGIS Server, with high impact to confidentiality, integrity, and availability. This issue impacts all versions of ArcGIS Server on Windows and Linux 12.0 and prior. This issue does not impact ArcGIS Enterprise for Kubernetes.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Esri | ArcGIS Server | up to 12.0 | — | No fix listed | CNA |
- ArcGIS Server VendorEsri Affected up to 12.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-9181
- 2026-10-03 Alias added: GHSA-8h42-h5vq-h5gv
References
More Esri Arcgis Server vulnerabilities
- TI-2025-35724 BUG-000179884 - There is a security vulnerability in ArcGIS Server Feature Services. CVSS 3.1CRITICAL 10.0
- TI-2021-10000 SQL injection vulnerability in ArcGIS Server CVSS 3.1CRITICAL 9.8
- TI-2021-09989 There is a Server-Side Request Forgery (SSRF) vulnerability in Esri ArcGIS Server Manager version 10.8.1 and below. CVSS 3.1CRITICAL 9.1
- TI-2026-08071 Unvalidated File Upload vulnerability in ArcGIS Server. CVSS 3.1CRITICAL 9.8
- TI-2020-18172 Esri ArcGIS Server before 10.8 is vulnerable to SSRF in some configurations. CVSS 3.1CRITICAL 9.8
- TI-2022-17894 BUG-000152121 - Directory traversal vulnerability in ArcGIS Server. CVSS 3.1HIGH 7.5
Sources
- CVE-2026-9181 · CVE Program
- CVE-2026-9181 · NVD
- FIRST EPSS
- GHSA-8h42-h5vq-h5gv · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences