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Low, CVSS 2.9

bettercap Has an Integer Coercion Error in modules/mysql_server/mysql_server.go

CVE-2026-8276GHSA-jcqv-2g3v-gm88

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (github.com/bettercap/bettercap/v2 2.41.7), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS 4.0
2.9 · CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P · score source
EPSS
  • CVE-2026-8276: 0.39% estimated exploitation activity in the next 30 days; percentile 33.07 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

A flaw has been found in bettercap up to 2.41.5. Affected by this issue is some unknown functionality of the file modules/mysqlserver/mysqlserver.go of the component MySQL Server. Executing a manipulation can lead to integer coercion error. The attack can be launched remotely. The attack requires a high level of complexity. The exploitation is known to be difficult. The exploit has been published and may be used. This patch is called 0eaa375c5e5446bfba94a290eff92967a5deac9e. It is advisable to implement a patch to correct this issue.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-jcqv-2g3v-gm88

Agent brief

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# Patch Next advisory brief: CVE-2026-8276

Advisory: bettercap Has an Integer Coercion Error in modules/mysql_server/mysql_server.go
IDs: CVE-2026-8276, GHSA-jcqv-2g3v-gm88
Record: https://patchnext.com/advisories/cve-2026-8276 (revision 1, source checked 26 Oct 2026, 15:22 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Low (CVSS 2.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: github.com/bettercap/bettercap/v2 2.41.7. A vendor fix does not mean a deployment is fixed.

## Affected components
- Go github.com/bettercap/bettercap/v2: affected < 2.41.7; fixed in 2.41.7

## Suggested inspection (read-only)
- Go github.com/bettercap/bettercap/v2: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on github.com/bettercap/bettercap/v2.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-jcqv-2g3v-gm88 (GitHub-reviewed advisory GHSA-jcqv-2g3v-gm88 lists affected ranges: Go github.com/bettercap/bettercap/v2 >=0 <2.41.7)

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