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TI-2023-24269 Aliases CVE-2023-45279GHSA-4cqv-q33x-wfxw

Yamcs 5.8.6 allows XSS (issue 1 of 2).

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

Yamcs 5.8.6 allows XSS (issue 1 of 2). It comes with a Bucket as its primary storage mechanism. Buckets allow for the upload of any file. There's a way to upload a display referencing a malicious JavaScript file to the bucket. The user can then open the uploaded display by selecting Telemetry from the menu and navigating to the display.

Why it matters now

EPSS 0.00497 42nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed org.yamcs:yamcs (Maven): 5.8.7

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.yamcs:yamcs (Maven)before 5.8.75.8.7Patch availableGHSA-4cqv-q33x-wfxw
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.yamcs:yamcs (Maven) Vendor— Affected before 5.8.7 Fixed in 5.8.7 Patch available GHSA-4cqv-q33x-wfxw

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:spaceapplications:yamcs:5.8.6:*:*:*:*:*:*:*5.8.6Vulnerableyamcs
  • cpe:2.3:a:spaceapplications:yamcs:5.8.6:*:*:*:*:*:*:* Versions 5.8.6 Vulnerable ·yamcs

Remediation

  • Fix · GHSA-4cqv-q33x-wfxw org.yamcs:yamcs (Maven) Fixed in 5.8.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-45279
  2. 2026-10-03 Alias added: GHSA-4cqv-q33x-wfxw

References

Exploit 1

Patch 1

Advisory 1

Other 1

  • TI-2026-34240 Yamcs: Remote Code Execution via Mission Database algorithm override CVSS 3.1CRITICAL 9.8
  • TI-2026-32507 Yamcs: No Rate Limiting on Authentication Endpoint CVSS 3.1CRITICAL 9.8
  • TI-2026-34277 Yamcs: Authenticated Remote Code Execution (RCE) via Jython Algorithm Code Injection CVSS 3.1CRITICAL 9.1
  • TI-2026-32532 Yamcs: Server-Side Code Injection (RCE) via Janino Expression Engine in `JavaExprAlgorithmExecutionFactory` CVSS 3.1CRITICAL 9.1
  • TI-2026-40093 Yamcs: Insecure Direct Object Reference (IDOR) in PacketsApi allows unprivileged users to dump all telemetry packets CVSS 3.1MEDIUM 4.3
  • TI-2026-32506 Yamcs: Unauthorized user enumeration via IAM API endpoints CVSS 3.1MEDIUM 4.3
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences