# Actual Budget Sync Server vulnerabilities

Source: https://junglewise.ai/threats/technologies/sync-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/sync-server.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 7 vulnerabilities in Actual Budget Sync Server: 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-2026-57449, was published on 25 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

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

## About Actual Budget Sync Server

Server component for synchronizing personal financial data in Actual Budget.

## Latest Actual Budget Sync Server vulnerabilities

- [CVE-2026-57449: Actual Sync Server CORS proxy GitHub allowlist bypass](https://junglewise.ai/threats/cve-2026-57449-actual-is-a-local-first-personal-finance-tool-prior-to-26-7-0) (high, CVSS 4, published 25 Sep 2026)
- [CVE-2026-49229: Actual Budget insufficient session expiration for disabled OpenID users](https://junglewise.ai/threats/cve-2026-49229-actual-budget-insufficient-session-expiration-for-disabled-openid) (high, CVSS 8.3, published 7 Jul 2026)
- [CVE-2026-46700: Actual sync-server improper authorization in secrets API](https://junglewise.ai/threats/cve-2026-46700-actual-sync-server-improper-authorization-in-secrets-api) (medium, CVSS 4.3, published 7 Jul 2026)
- [CVE-2026-42604: Actual Budget sync-server information disclosure in OpenID config](https://junglewise.ai/threats/cve-2026-42604-actual-budget-sync-server-information-disclosure-in-openid-config) (info, CVSS 6.9, published 12 Jun 2026)
- [CVE-2026-3089: Actual Sync Server authenticated path traversal in file upload](https://junglewise.ai/threats/cve-2026-3089-actual-budget-actual-sync-server-path-traversal-in-file-upload) (medium, CVSS 4, published 10 Mar 2026)
- [CVE-2026-27638: Actual Budget sync-server missing authorization in sync endpoints](https://junglewise.ai/threats/cve-2026-27638-actual-budget-sync-server-missing-authorization-in-sync-endpoints) (medium, CVSS 4, published 27 Feb 2026)
- [CVE-2026-27584: ActualBudget missing authentication in SimpleFIN and Pluggy AI sync endpoints](https://junglewise.ai/threats/cve-2026-27584-actualbudget-missing-authentication-in-simplefin-and-pluggy-ai) (medium, CVSS 4, published 24 Feb 2026)

## Most severe Actual Budget Sync Server vulnerabilities

- [CVE-2026-49229: Actual Budget insufficient session expiration for disabled OpenID users](https://junglewise.ai/threats/cve-2026-49229-actual-budget-insufficient-session-expiration-for-disabled-openid) (high, CVSS 8.3, published 7 Jul 2026)
- [CVE-2026-57449: Actual Sync Server CORS proxy GitHub allowlist bypass](https://junglewise.ai/threats/cve-2026-57449-actual-is-a-local-first-personal-finance-tool-prior-to-26-7-0) (high, CVSS 4, published 25 Sep 2026)
- [CVE-2026-46700: Actual sync-server improper authorization in secrets API](https://junglewise.ai/threats/cve-2026-46700-actual-sync-server-improper-authorization-in-secrets-api) (medium, CVSS 4.3, published 7 Jul 2026)
- [CVE-2026-27584: ActualBudget missing authentication in SimpleFIN and Pluggy AI sync endpoints](https://junglewise.ai/threats/cve-2026-27584-actualbudget-missing-authentication-in-simplefin-and-pluggy-ai) (medium, CVSS 4, published 24 Feb 2026)
- [CVE-2026-3089: Actual Sync Server authenticated path traversal in file upload](https://junglewise.ai/threats/cve-2026-3089-actual-budget-actual-sync-server-path-traversal-in-file-upload) (medium, CVSS 4, published 10 Mar 2026)
- [CVE-2026-27638: Actual Budget sync-server missing authorization in sync endpoints](https://junglewise.ai/threats/cve-2026-27638-actual-budget-sync-server-missing-authorization-in-sync-endpoints) (medium, CVSS 4, published 27 Feb 2026)
- [CVE-2026-42604: Actual Budget sync-server information disclosure in OpenID config](https://junglewise.ai/threats/cve-2026-42604-actual-budget-sync-server-information-disclosure-in-openid-config) (info, CVSS 6.9, published 12 Jun 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability 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 | 1 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 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 |

## Other Actual Budget technologies

- [Actual Budget](https://junglewise.ai/threats/technologies/actual-budget): 4 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, "Actual Budget Sync Server vulnerabilities", https://junglewise.ai/threats/technologies/sync-server, 10 November 2026.