# CVE-2026-112210: Rhc: rhc: local privilege escalation via symlink following in rhc-canonical-facts.service

> A local attacker with compromised yggdrasil service access can escalate privileges to root via symlink following in rhc-canonical-facts.service.

- **Severity:** Medium 6.0 (`CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Oct 2026
- **Updated:** 19 Oct 2026
- **Also known as:** GHSA-jmqr-pj67-cqv5

## What is CVE-2026-112210?

CVE-2026-112210 is a medium-severity path traversal vulnerability in Red Hat Enterprise Linux 10, published on 19 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A flaw was found in the rhc-canonical-facts.service systemd unit shipped with rhc. The service runs as root and operates on a file inside a directory owned by an unprivileged system user without verifying that the file is not a symbolic link. A local attacker who has already compromised the privileged yggdrasil system service account can exploit this to gain ownership of arbitrary files, leading to privilege escalation to root.

Weakness: CWE-59 (Improper Link Resolution Before File Access)

## Which versions are affected by CVE-2026-112210?


## How do I fix CVE-2026-112210?

No fix has been published for CVE-2026-112210 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-112210 being exploited?

There is no known exploitation of CVE-2026-112210 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-112210 and fix it if it is affected.

What it is: CVE-2026-112210 is a medium-severity path traversal vulnerability in Red Hat Enterprise Linux 10, published on 19 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-112210 in the wild and no public exploit code.

Affected product: Red Hat Enterprise Linux 10. 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-2026-112210/ (Markdown: https://insights.sbomify.com/CVE-2026-112210/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-112210
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-112210
- OSV: https://osv.dev/vulnerability/CVE-2026-112210

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-112210/
Summaries are generated and may contain mistakes; the official description above is the record.