SSRF in Vas3k Taxhacker
CVE-2026-78061
A vulnerability was determined in vas3k TaxHacker up to 0.8.2. Impacted is the function buildImapConfig of the file lib/email-sync/imap-client.ts of the component Email Sync. Executing a manipulation of the argument host/port can lead to server-side request forgery. It is possible to launch the attack remotely. The pull request to fix this issue awaits acceptance.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.004 (28.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
- Vas3k Taxhacker — versions 0.8.0, 0.8.1, 0.8.2
Weakness classification (CWE)
References
- vuldb.com/vuln/394301 (technical-description, vdb-entry)
- vuldb.com/vuln/394301/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-78061 (third-party-advisory)
- vuldb.com/submit/881825 (third-party-advisory)
- github.com/vas3k/TaxHacker/issues/148 (issue-tracking)
- github.com/vas3k/TaxHacker/pull/170 (issue-tracking, patch)
- github.com/vas3k/TaxHacker/ (product)
Frequently asked questions
- What is CVE-2026-78061?
- CVE-2026-78061 is a medium-severity vulnerability in Vas3k Taxhacker, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.3/10. Published 2026-08-23.
- How severe is CVE-2026-78061?
- Medium severity. CVSS v3 base score is 6.3 out of 10.