# CVE-2025-34282: ThingsBoard < v4.2.1 SVG Image SSRF

Status: published. Published: 2025-10-17. Updated: 2026-11-08.

ThingsBoard versions < 4.2.1 contain a server-side request forgery (SSRF) vulnerability in the dashboard's Image Upload Gallery feature. An attacker can upload a malicious SVG file that references a remote URL. If the server processes the SVG file in a way that parses external references, it may initiate unintended outbound requests. This can be used to access internal services or resources.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/thingsboard/thingsboard/releases/tag/v4.2.1
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/thingsboard/thingsboard/pull/13927

## Affected products and versions

- ThingsBoard, Inc. / ThingsBoard (thingsboard/thingsboard): ≥ 0; < 4.2.1 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 1.82% as of 2026-11-08; percentile 78.86%

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-918

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/thingsboard/thingsboard/releases/tag/v4.2.1 (CNA: VulnCheck; release-notes, patch)

- https://github.com/thingsboard/thingsboard/pull/13927 (CNA: VulnCheck; issue-tracking, patch)

- https://www.vulncheck.com/advisories/thingsboard-svg-image-ssrf (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2025-34282; retrieved 2026-11-08; source updated 2026-11-08

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2025-34282; retrieved 2026-11-08; source updated Not reported

Revision: 70f19500f8f92c768c5c3de9e5578a70a11b0e87bcf3bb5d022f5dfc6658b2b9

Canonical: https://y2.dev/cve/CVE-2025-34282

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