# CVE-2026-119705: SerpBear before 3.1.1 Missing Authentication via POST /api/notify


- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Fix available:** No
- **Published:** 30 Oct 2026
- **Updated:** 30 Oct 2026
- **Also known as:** GHSA-2j5h-qj2m-vqhp

## What is CVE-2026-119705?

CVE-2026-119705 is a medium-severity vulnerability in towfiqi serpbear, published on 30 Oct 2026. 

### Official description

SerpBear before 3.1.1 contains a missing authentication vulnerability in pages/api/notify.ts that allows remote unauthenticated attackers to trigger notification emails because verifyUser() is never called. Attackers can repeatedly POST to /api/notify, optionally with a domain parameter, to exhaust SMTP rate limits, trigger provider abuse flags and flood recipients.

Weakness: CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-119705?


## How do I fix CVE-2026-119705?

No fix has been published for CVE-2026-119705 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-119705 being exploited?

There is no known exploitation of CVE-2026-119705 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-119705 and fix it if it is affected.

What it is: CVE-2026-119705 is a medium-severity vulnerability in towfiqi serpbear, published on 30 Oct 2026. 
Exploitation: There is no known exploitation of CVE-2026-119705 in the wild and no public exploit code.

Affected product: towfiqi serpbear. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-119705/ (Markdown: https://insights.sbomify.com/CVE-2026-119705/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-119705
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-119705
- OSV: https://osv.dev/vulnerability/CVE-2026-119705

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-119705/
Summaries are generated and may contain mistakes; the official description above is the record.