CVE-2006-1546

Apache Software Foundation (ASF) Struts before 1.2.9 allows remote attackers to bypass validation via a request with a 'org.apache.struts.taglib.html.Constants.CANCEL' parameter, which causes the action to be canceled but would not be detected from applications that do not use the isCancelled check.

Published: 2006-03-30 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-1546 is rated High Risk (66.5/100): CVSS High severity, with high exploitation likelihood (EPSS 5.82%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +4.21% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-1546

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.61% 5.82% +4.21%
2 2025-06-01 3.12% 1.61% -1.51%
3 2025-04-23 3.12%

Full EPSS history (13 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-1546

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-1546

GitHub Security Advisory for CVE-2006-1546

GHSA-vf8g-mpmw-qv87 · Severity: high · Ecosystem: maven — Apache Struts vulnerable to Improper Input Validation

OS Trackers for CVE-2006-1546

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2006-1546
ubuntu medium CVE-2006-1546 medium priority: Ubuntu including 1 source packages (libstruts1.2-java), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2006-1546

Affected software / configurations for CVE-2006-1546

Vendor Product Version Raw CPE
apache struts <= 1.2.8 cpe:2.3:a:apache:struts:*:*:*:*:*:*:*:*

References for CVE-2006-1546

cvelogic Threat Intelligence