# Crayfish Allows Remote Code Execution via hypercube X-Islandora-Args Header

Advisory record · `GHSA-c2p2-hgjg-9r3f`

- **Identifiers:** `GHSA-c2p2-hgjg-9r3f` · `PKSA-96gb-zv83-hqq7`
- **State:** Confirmed
- **Severity:** CVSS 4.0, no score published
- **Critical:** No
- **Weakness (CWE):** [CWE-74](https://cwe.mitre.org/data/definitions/74.html) · [CWE-150](https://cwe.mitre.org/data/definitions/150.html)
- **Tags:** [Other injection](https://agentprime.io/advisories/tag/injection.md) · [CWE-150](https://agentprime.io/advisories/tag/cwe-150.md)
- **Published:** 12 Feb 2025
- **Updated:** 12 Feb 2025
- **Reviewed by a person:** No

Published by the GitHub Advisory Database at 12 Feb 2025, 21:05 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

## Affected packages

- `islandora/crayfish` (Packagist): affected `<=4.0.0`; no fixed version yet

## Machine-written summary

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

> Crayfish, the Islandora package, in versions up to and including 4.0.0 is vulnerable to remote code execution through the hypercube component's handling of a request header. The source does not say which attacker privileges are needed beyond the ability to send requests to Hypercube's endpoints. No fixed version is listed; the source says no patch is available yet. Restrict internet access to Hypercube, since installations behind a firewall are less exposed.

Written 4 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

- Score not published, CVSS 4.0: `CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H`, from GitHub Advisory Database

- **CISA KEV:** Not listed.
- **EPSS:** No score.

## Timeline

- 31 Oct 2026, 14:27 UTC: First seen by agentprime
- 31 Oct 2026, 14:27 UTC: [Confirmed by OSV](https://osv.dev/vulnerability/GHSA-c2p2-hgjg-9r3f)

## Sources

- [GitHub Advisory Database: GHSA-c2p2-hgjg-9r3f](https://github.com/advisories/GHSA-c2p2-hgjg-9r3f)
- [OSV: GHSA-c2p2-hgjg-9r3f](https://osv.dev/vulnerability/GHSA-c2p2-hgjg-9r3f)
- <https://github.com/Islandora/Crayfish/security/advisories/GHSA-c2p2-hgjg-9r3f>
- <https://github.com/Islandora/Crayfish>

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-c2p2-hgjg-9r3f>, 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-c2p2-hgjg-9r3f/>. Everything for agents: <https://agentprime.io/llms.txt>.