HIGHCVSS v3.1 8.1Actively exploited · CISA KEV since 2021-11-03Vulnerability

CVE-2018-11776

Apache Struts contains a vulnerability that allows for remote code execution under two circumstances. One, where the alwaysSelectFullNamespace option is true and the value isn't set for a result defined in underlying configurations and in same time, its upper package configuration have no or wildcard namespace. Or, using URL tag which doesn't have value and action set and in same time, its upper package configuration have no or wildcard namespace.

Properties

Vulnerability name
Apache Struts Remote Code Execution Vulnerability
Epss score
0.99994
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-05-03
Exploited euvd since
2021-11-03T00:00:00+00:00
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2021-11-03
Score
8.1
Euvd base score version
3.1
Euvd vendor
Apache Software Foundation
In Signal since
initial import (Sep 2026)
Euvd base score
8.1
Vendor project
Apache
Content hash
c88a2c37a6282d2bb3a05a4d2e64bb6c6b0131d8ebdc1ad254faa778406d240c
Published at
2018-08-22T13:29:00.753
Euvd updated
2025-10-21T23:45:48+00:00
Last modified
2026-06-17T01:36:34.350
Euvd epss pct
99.99
Epss percentile
0.99988
Licence
FIRST EPSS: free to use; attribution requested in publications or products (FAQ)

Related Entities (12)

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2018-11776 (CVSS v3.1 8.1) — Ninja Signal Threat Intelligence | Ninja Signal