# CVE-2026-104914: MISP: Soft-Deleted Attributes from Other Organizations Exposed via Attribute Search and Paginated View

> Authenticated users can view soft-deleted threat intelligence attributes from other organizations via search endpoints, exposing sensitive data.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 2 Oct 2026
- **Updated:** 6 Oct 2026
- **Also known as:** GHSA-mw5r-825j-vg45

## What is CVE-2026-104914?

CVE-2026-104914 is a medium-severity missing authorization vulnerability in MISP, published on 2 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

MISP contains an improper access control vulnerability in its attribute search and paginated attribute view endpoints.

When a user queries for soft-deleted attributes (e.g., via the deleted-attributes search or the paginated attribute listing), the application returned soft-deleted attributes belonging to events owned by other organizations to any authenticated user who had visibility of the event. The event detail view correctly restricted soft-deleted attribute visibility to the owning organization and sync-permission users, but the attribute search and paginated view code paths lacked this restriction.

Preconditions:

- An authenticated MISP user with at least read access to an event owned by another organization.

- The user issues a query for deleted attributes (search or paginated view with the deleted filter).

Impact:

- Confidentiality: Soft-deleted threat intelligence attributes (e.g., IOCs, indicators, context) from other organizations are disclosed to unauthorized users. This may expose sensitive intelligence that the owning organization intended to remove from general visibility.

Affected versions: MISP versions prior to v2.5.48.

Weakness: CWE-862 (Missing Authorization), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-104914?


## How do I fix CVE-2026-104914?

No fix has been published for CVE-2026-104914 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-104914 being exploited?

There is no known exploitation of CVE-2026-104914 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-104914 and fix it if it is affected.

What it is: CVE-2026-104914 is a medium-severity missing authorization vulnerability in MISP, published on 2 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-104914 in the wild and no public exploit code.

Affected product: MISP. 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-2026-104914/ (Markdown: https://insights.sbomify.com/CVE-2026-104914/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-104914
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-104914
- OSV: https://osv.dev/vulnerability/CVE-2026-104914

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-104914/
Summaries are generated and may contain mistakes; the official description above is the record.