CVE-2017-9791
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What it is
ReportedThe Struts 1 plugin in Apache Struts might allow remote code execution via a malicious field value passed in a raw message to the ActionMessage. Source description excerpt; complete tracked detail loads below.
NVD published: Jul 10, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What is affected
ReportedApache — Struts 1. Product-level identification only; no affected-version conclusion is available from this field.
NVD published: Jul 10, 2017 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Urgency and basis
ReportedAct · 465.7
Tracker decision tier from the evidence detailed below · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Exploitation evidence
Reportedkev-listed · CISA KEV · VulnCheck KEV · ENISA exploited-vulnerability catalog
Active since: Feb 10, 2022 · CISA KEV added: Feb 10, 2022 · VulnCheck KEV added: Jun 24, 2020 · ENISA added: Feb 10, 2022 · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
What to do
ReportedApply updates per vendor instructions.
Tracked source remediation field · Source record updated: Aug 8, 2026 · Tracker snapshot: Aug 8, 2026
Evidence detail
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