TI-2026-02417 Aliases CVE-2026-2813 GHSA-48m7-r7vc-4m4f

Unvalidated Redirect in ArcGIS Server

LOW 21CWE-601Published 2026-05-20 · Updated 2026-05-20

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-601.

Summary

ArcGIS Server contains an input validation weakness in the login redirection workflow. An Authenticated attacker could exploit this issue by sending a specially crafted request, Successful exploitation may result in the application redirecting the browser to an unintended, untrusted site, resulting in a limited confidentiality impact under specific user interaction conditions. The vulnerability affects only the client side navigation logic during authentication and remains confined to the same security boundary. No server side compromise or cross component impact is possible. This issue affects ArcGIS Server 11.5.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.003 22nd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

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	11.5	—	No fix listed	CNA

ArcGIS Server VendorEsri Affected 11.5 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPE	Versions	Role	Vendor
cpe:2.3:a:esri:arcgis_server:11.5:::::::*	11.5	Vulnerable	Esri
cpe:2.3:o:linux:linux_kernel:-:::::::*	not specified by NVD	Running on	Linux
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:a:esri:arcgis_server:11.5:*:*:*:*:*:*:* Versions 11.5 Vulnerable ·Esri
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-2813
2026-10-03 Alias added: GHSA-48m7-r7vc-4m4f

References

Advisory 1

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/april2026_security_bulletin

TI-2026-08070 Directory Traversal in ArcGIS Server CVSS 3.1CRITICAL 9.8
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

See all 68 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences