# Dropbox vulnerabilities

Source: https://junglewise.ai/threats/vendors/dropbox  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/dropbox.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 6 vulnerabilities in Dropbox: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-93471, was published on 22 October 2026. 3 vulnerabilities in the last four weeks, up from none in the four before. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 3
- Last 90 days: 5
- All time: 6 (0 critical, 0 exploited in the wild)

## About Dropbox

Cloud storage and file synchronization service provider.

## Latest Dropbox vulnerabilities

- [CVE-2026-93471: Dropbox esaml data amplification denial of service](https://junglewise.ai/threats/cve-2026-93471-improper-handling-of-highly-compressed-data-data-amplification-in) (info, published 22 Oct 2026)
- [CVE-2026-86696: Dropbox esaml unthrottled atom creation in LogoutResponse](https://junglewise.ai/threats/cve-2026-86696-allocation-of-resources-without-limits-or-throttling) (info, published 22 Oct 2026)
- [CVE-2026-105270: Dropbox esaml atom table exhaustion in SAMLResponse parsing](https://junglewise.ai/threats/cve-2026-105270-allocation-of-resources-without-limits-or-throttling) (info, published 22 Oct 2026)
- [CVE-2026-81102: Dropbox Dash MCP Server DNS rebinding vulnerability](https://junglewise.ai/threats/cve-2026-81102-dropbox-dash-mcp-server-dns-rebinding-vulnerability) (low, CVSS 3.1, published 27 Aug 2026)
- [CVE-2026-53425: Dropbox Samly SAML authentication bypass](https://junglewise.ai/threats/cve-2026-53425-dropbox-samly-saml-authentication-bypass) (info, published 20 Aug 2026)
- [CVE-2026-28809: esaml XXE vulnerability in SAML message parsing](https://junglewise.ai/threats/cve-2026-28809-esaml-xxe-vulnerability-in-saml-message-parsing) (info, CVSS 6.3, published 23 Mar 2026)

## Most severe Dropbox vulnerabilities

- [CVE-2026-81102: Dropbox Dash MCP Server DNS rebinding vulnerability](https://junglewise.ai/threats/cve-2026-81102-dropbox-dash-mcp-server-dns-rebinding-vulnerability) (low, CVSS 3.1, published 27 Aug 2026)
- [CVE-2026-28809: esaml XXE vulnerability in SAML message parsing](https://junglewise.ai/threats/cve-2026-28809-esaml-xxe-vulnerability-in-saml-message-parsing) (info, CVSS 6.3, published 23 Mar 2026)
- [CVE-2026-53425: Dropbox Samly SAML authentication bypass](https://junglewise.ai/threats/cve-2026-53425-dropbox-samly-saml-authentication-bypass) (info, published 20 Aug 2026)
- [CVE-2026-93471: Dropbox esaml data amplification denial of service](https://junglewise.ai/threats/cve-2026-93471-improper-handling-of-highly-compressed-data-data-amplification-in) (info, published 22 Oct 2026)
- [CVE-2026-86696: Dropbox esaml unthrottled atom creation in LogoutResponse](https://junglewise.ai/threats/cve-2026-86696-allocation-of-resources-without-limits-or-throttling) (info, published 22 Oct 2026)
- [CVE-2026-105270: Dropbox esaml atom table exhaustion in SAMLResponse parsing](https://junglewise.ai/threats/cve-2026-105270-allocation-of-resources-without-limits-or-throttling) (info, published 22 Oct 2026)

## Vulnerabilities per week

3 vulnerabilities in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 1 | 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 | 0 | 0 | 0 |
| 19 Oct 2026 | 3 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Dropbox technologies

- [Dropbox Esaml](https://junglewise.ai/threats/technologies/dropbox-esaml): 3 vulnerabilities

## 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, "Dropbox vulnerabilities", https://junglewise.ai/threats/vendors/dropbox, 9 November 2026.