What is CVE-2026-8059?
IBM Datacap 9.1.7, 9.1.8, and 9.1.9 and IBM Datacap Navigator 9.1.7, 9.1.8, and 9.1.9 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated attacker to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
The record classifies CVE-2026-8059 under weakness class CWE-79. Its CVSS v3 base vector states that the flaw requires local access to the host, needs no prior authentication, needs a user to take an action first. 2 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 105 days ago.
Severity and exploitation probability
- CVSS v3.1 base score
- 6.1 — MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L - EPSS (FIRST)
- 0.1% probability of exploitation in the next 30 days, higher than 3.2% of all scored CVEs
- CISA KEV
- Not listed in the CISA Known Exploited Vulnerabilities catalog
- Threadlinqs priority
- 3.2/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- Published
- 2026-06-22
Is CVE-2026-8059 being exploited?
It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.
Affected products and versions
- IBM: Datacap, Datacap Navigator
How to fix CVE-2026-8059
No vendor patch reference has been recorded for CVE-2026-8059 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.
Threat activity tracking CVE-2026-8059
No threat campaign in the Threadlinqs corpus currently references CVE-2026-8059, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.
Sources
Enriched from CVE.org, GitHub Security Advisories, FIRST EPSS. Last verified by Threadlinqs on .