# Sbabic SWUpdate vulnerabilities

Source: https://junglewise.ai/threats/technologies/swupdate  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/swupdate.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in Sbabic SWUpdate: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-109399, was published on 12 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 3 (0 critical, 0 exploited in the wild)

## About Sbabic SWUpdate

SWUpdate is an open-source framework for updating embedded systems, supporting multiple update strategies and backends.

## Latest Sbabic SWUpdate vulnerabilities

- [CVE-2026-109399: SWUpdate improper certificate validation in CMS signature verification](https://junglewise.ai/threats/cve-2026-109399-swupdate-through-2026-05-1-contains-an-improper-certificate) (high, CVSS 8.1, published 12 Oct 2026)
- [CVE-2025-41259: sbabic SWUpdate privilege escalation via TOCTOU race condition](https://junglewise.ai/threats/cve-2025-41259-sbabic-swupdate-privilege-escalation-via-toctou-race-condition) (info, CVSS 7.3, published 3 Jun 2026)
- [CVE-2026-28525: SWUpdate integer underflow in multipart upload parser](https://junglewise.ai/threats/cve-2026-28525-swupdate-integer-underflow-in-multipart-upload-parser) (medium, CVSS 6.8, published 23 Apr 2026)

## Most severe Sbabic SWUpdate vulnerabilities

- [CVE-2026-109399: SWUpdate improper certificate validation in CMS signature verification](https://junglewise.ai/threats/cve-2026-109399-swupdate-through-2026-05-1-contains-an-improper-certificate) (high, CVSS 8.1, published 12 Oct 2026)
- [CVE-2026-28525: SWUpdate integer underflow in multipart upload parser](https://junglewise.ai/threats/cve-2026-28525-swupdate-integer-underflow-in-multipart-upload-parser) (medium, CVSS 6.8, published 23 Apr 2026)
- [CVE-2025-41259: sbabic SWUpdate privilege escalation via TOCTOU race condition](https://junglewise.ai/threats/cve-2025-41259-sbabic-swupdate-privilege-escalation-via-toctou-race-condition) (info, CVSS 7.3, published 3 Jun 2026)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 1 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Sbabic SWUpdate vulnerabilities", https://junglewise.ai/threats/technologies/swupdate, 12 November 2026.