CVE-2026-2813
CVE-2026-2813 is a medium-severity vulnerability in Esri Arcgis Server with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-601.
Key facts
- Severity: Medium (CVSS 3.x base score 4.7)
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-31145
- Weakness: CWE-601
- Affected product: Esri Arcgis Server
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2026-2813?
- 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.
- How severe is CVE-2026-2813?
- CVE-2026-2813 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-2813 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-2813?
- CVE-2026-2813 affects Esri Arcgis Server. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-2813?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-2813 have an EU (EUVD) identifier?
- Yes. CVE-2026-2813 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31145.
- When was CVE-2026-2813 published?
- CVE-2026-2813 was published on 2026-05-20 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:esri:arcgis_server:11.5:*:*:*:*:*:*:*
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