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Eclipse

Vendor security scorecard – 6 CVEs in the selected period

Period: 30d 90d 6m 1y All
Risk 16
6
CVEs
0
Critical
2
High
0
KEV
1
PoC
0
Unpatched C/H
66.7%
Patch Rate
0.2%
Avg EPSS

Severity Breakdown

CRITICAL
0
HIGH
2
MEDIUM
4
LOW
0

Monthly CVE Trend

Top Risky CVEs

CVE Summary Severity CVSS EPSS Priority Signals
CVE-2026-6860 Wildcard TLS certificate validation in Eclipse Vert.x allows remote attackers to bypass Server Name Indication (SNI) hostname verification by presenting arbitrary subdomains matching wildcard patterns, potentially disclosing sensitive server configuration and enabling certificate reuse across unintended service endpoints. The vulnerability affects Vert.x versions using unbounded SNI cache mechanisms without proper hostname validation constraints, and is fixed by implementing bounded LRU caching with proper synchronization and hostname matching enforcement. MEDIUM 6.9 0.0% 55
PoC
CVE-2026-60009 Unauthenticated arbitrary file write in Eclipse Theia 1.73.1 and earlier (browser-mode deployments) allows any cross-origin web page to overwrite files at any absolute path the backend process can access, with a realistic escalation to remote code execution. The `POST /file-upload` handler in `@theia/filesystem` accepts attacker-controlled absolute paths with no workspace boundary check, while a distinct HTTP middleware flaw in `@theia/core` lets the connection token check pass without rejection for tokenless HTTP requests. Because `multipart/form-data` is a CORS-safelisted request type, browsers send the exploit request cross-origin with no preflight and no credentials. No public exploit has been identified at time of analysis, and no CISA KEV listing appears in the provided data, but the attack mechanism is straightforward and requires only that a victim visit an attacker-controlled page. HIGH 8.8 0.3% 44
CVE-2026-12609 Path traversal in Eclipse Theia's plugin-hosting HTTP endpoint (versions 1.66.0 through 1.73.1) enables unauthenticated remote attackers to exfiltrate arbitrary files readable by the Theia backend process by injecting percent-encoded directory traversal sequences. The `/hostedPlugin/:pluginId/:path(*)` endpoint passes user-supplied path data directly into `path.resolve()` without subsequently verifying the resolved path stays within the plugin directory boundary. Critically, because plugin IDs are deterministically derived from publisher and plugin name, an attacker can use well-known built-in plugins as traversal anchors without any prior reconnaissance of the target system. No public exploit code or CISA KEV listing has been identified at time of analysis. HIGH 7.5 0.4% 38
CVE-2026-14574 Prototype pollution in Eclipse Theia's preference resolution system exposes developers to application-logic manipulation when opening crafted workspaces. The `PreferenceUtils.merge` function in `@theia/core`, invoked for every preference scope resolution, fails to reject reserved JavaScript prototype keys (`__proto__`, `constructor`, `prototype`), allowing a malicious `.theia/settings.json` or `.vscode/settings.json` to corrupt `Object.prototype` across the entire Theia Node.js process. Affected versions span 0.7.0 through 1.73.1 inclusive; no public exploit has been identified at time of analysis, and the CVSS 4.0 score of 5.7 appropriately reflects the social-engineering dependency and required user interaction. MEDIUM 5.7 0.1% 29
CVE-2026-9158 Use-after-free in Eclipse 4diac FORTE versions 3.0.0-3.1.0 allows adjacent, unauthenticated attackers to corrupt process memory by sending a specially crafted DELETE connection command to the management interface, leaving a dangling pointer exploitable by subsequent commands. The impact spans memory integrity corruption and availability loss (runtime crash), with a minor confidentiality exposure from stale freed-memory reads - meaningful risks in industrial automation deployments where FORTE orchestrates IEC 61499 distributed control logic. No public exploit has been identified at time of analysis, and CISA KEV listing is absent, but the CVSS 4.0 supplemental Safety metric is marked Partial (S:P), flagging potential downstream safety consequences in OT environments. MEDIUM 5.2 0.2% 26
No patch
CVE-2026-14304 XML External Entity (XXE) injection in Eclipse Accessibility Tools Framework (ACTF) versions through 1.6.0 and miChecker through 3.1.0 allows a local attacker to exfiltrate files and probe internal network resources by supplying a maliciously crafted XML document to a user running an ACTF-based application. Exploitation requires user interaction - the victim must open or process the attacker-supplied XML - but no special privileges are required. No public exploit code has been identified at time of analysis, and the CVSS 4.0 score of 4.6 reflects the limited, read-only confidentiality impact scoped to local and internal resources. MEDIUM 4.6 0.1% 23
No patch

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