# CVE-2026-79899: Fortra BoKS Manager bccgethostcert insecure temporary file vulnerability

> A local user can read CA secrets or private keys from predictable temporary files created by the bccgethostcert utility.

- **Severity:** High 7.9 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 1 Oct 2026
- **Updated:** 1 Oct 2026
- **Also known as:** GHSA-cx2h-xwf3-jp2w

## What is CVE-2026-79899?

CVE-2026-79899 is a high-severity vulnerability in Fortra BoKS Manager, published on 1 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

Fortra BoKS Manager contains an insecure temporary file vulnerability in bccgethostcert. The utility creates predictable temporary files without first setting a restrictive umask. A local user on the BoKS Master who can read files under BOKS_tmp may be able to obtain CA secret or host private-key material while the utility runs, or obtain CA secret material left behind after successful certificate creation.

Weakness: CWE-377 (DEPRECATED: Insecure Temporary File)

## Which versions are affected by CVE-2026-79899?


## How do I fix CVE-2026-79899?

No fix has been published for CVE-2026-79899 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-79899 being exploited?

There is no known exploitation of CVE-2026-79899 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-79899 and fix it if it is affected.

What it is: CVE-2026-79899 is a high-severity vulnerability in Fortra BoKS Manager, published on 1 Oct 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-79899 in the wild and no public exploit code.

Affected product: Fortra BoKS Manager. 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-2026-79899/ (Markdown: https://insights.sbomify.com/CVE-2026-79899/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-79899
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-79899
- OSV: https://osv.dev/vulnerability/CVE-2026-79899

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-79899/
Summaries are generated and may contain mistakes; the official description above is the record.