# AVideo vulnerable to IP Address Spoofing via Untrusted HTTP Headers in getRealIpAddr()

Advisory record · `GHSA-8p2x-5cpm-qrqw`

- **Identifiers:** `GHSA-8p2x-5cpm-qrqw` · `CVE-2026-33690` · `PKSA-x77f-z8vb-hbfr`
- **State:** Confirmed
- **Severity:** CVSS 5.3 Medium
- **Critical:** No
- **Weakness (CWE):** [CWE-348](https://cwe.mitre.org/data/definitions/348.html)
- **Tags:** [CWE-348](https://agentprime.io/advisories/tag/cwe-348.md)
- **Published:** 25 Mar 2026
- **Updated:** 25 Mar 2026
- **Reviewed by a person:** No

Published by the GitHub Advisory Database at 25 Mar 2026, 19:54 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

## Affected packages

- `wwbn/avideo` (Packagist): affected `<=26.0`; no fixed version yet

## Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

> AVideo (wwbn/avideo) versions up to and including 26.0 are affected. The getRealIpAddr() function trusts user-controlled HTTP headers when determining the client's IP address, so a remote attacker can send forged headers to appear as any address, including localhost. This can bypass IP-based rate limiting, access controls, and audit logging. No fix is listed in the source.

Written 3 Nov 2026.

## Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

## Severity and exploitation

- 5.3 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N`, from CNA (GitHub_M)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0018, the 7th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

- 31 Oct 2026, 14:26 UTC: First seen by agentprime
- 31 Oct 2026, 14:26 UTC: [Confirmed by OSV](https://osv.dev/vulnerability/GHSA-8p2x-5cpm-qrqw)

## Sources

- [GitHub Advisory Database: GHSA-8p2x-5cpm-qrqw](https://github.com/advisories/GHSA-8p2x-5cpm-qrqw)
- [OSV: GHSA-8p2x-5cpm-qrqw](https://osv.dev/vulnerability/GHSA-8p2x-5cpm-qrqw)
- <https://github.com/WWBN/AVideo/security/advisories/GHSA-8p2x-5cpm-qrqw>
- <https://nvd.nist.gov/vuln/detail/CVE-2026-33690>
- <https://github.com/WWBN/AVideo/commit/1a1df6a9377e5cc67d1d0ac8ef571f7abbffbc6c>
- <https://github.com/WWBN/AVideo>

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.

## Check whether this affects you

A Match means an installed version is in the affected range above. Most don’t affect the app; agentprime hasn’t analysed this one yet.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), ask your agent to check the project: `check_lockfile` sends a lockfile, `check_packages` a list of installed packages, and both return the Matches and the upgrades that clear them. `get_advisory` returns this record. Setup: <https://agentprime.io/mcp.md>
- In a browser: <https://agentprime.io/check/> reads your lockfile in the browser, never uploading it.
- Whether it touches your code, with file and line: the Claude Code plugin, <https://agentprime.io/plugin.md>
- As JSON: <https://api.agentprime.io/v1/advisories/GHSA-8p2x-5cpm-qrqw>, or `POST https://api.agentprime.io/v1/match` with your packages (<https://agentprime.io/api.md>)

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The web page: <https://agentprime.io/advisories/GHSA-8p2x-5cpm-qrqw/>. Everything for agents: <https://agentprime.io/llms.txt>.