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Vulnerability · Published Aug 23, 2026 · Assigned by VulDB

CVE-2026-78061vas3k TaxHacker Email Sync imap-client.ts buildImapConfig server-side request forgery

Medium 6.3

In plain English

A medium-severity server-side request forgery in TaxHacker from vas3k. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 72.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

VendorProductVersions
vas3k TaxHacker 0.8.00.8.10.8.2

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R

References