# CVE-2026-13007: Insecure Public Caching on REST API Endpoints in Tenable Identity Exposure

> Unauthenticated attackers can access sensitive configuration data, including cleartext credentials, via insecurely cached public API endpoints.

- **Severity:** High 8.5 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:L/SI:L/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 23 Jun 2026
- **Updated:** 23 Jun 2026
- **Also known as:** GHSA-rqcc-h287-275c

## What is CVE-2026-13007?

CVE-2026-13007 is a high-severity vulnerability in Tenable Identity Exposure, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Tenable Identity Exposure contains multiple unauthenticated API endpoints under /w/api/* that expose sensitive application configuration data including cleartext LDAP credentials, SAML configuration, user accounts, and directory settings to unauthenticated remote attackers. Affected responses are served with Cache-Control: public headers and without Vary: Cookie, allowing reverse proxies and CDNs to cache and serve sensitive data to unauthenticated users even after authentication is applied.

Weakness: CWE-524 (Use of Cache Containing Sensitive Information), CWE-306 (Missing Authentication for Critical Functionality)

## Which versions are affected by CVE-2026-13007?

It affects 1 product.


Products: Tenable Identity Exposure.

## How do I fix CVE-2026-13007?

No fix has been published for CVE-2026-13007 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-13007 being exploited?

There is no known exploitation of CVE-2026-13007 in the wild and no public exploit code.

## Other vulnerabilities in Tenable Identity Exposure

- [CVE-2024-3232](https://insights.sbomify.com/CVE-2024-3232/): Formula Injection Vulnerability (high 7.6)
- [CVE-2024-1683](https://insights.sbomify.com/CVE-2024-1683/): DLL Injection in Tenable Identity Exposure Secure Relay (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-13007 and fix it if it is affected.

What it is: CVE-2026-13007 is a high-severity vulnerability in Tenable Identity Exposure, published on 23 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-13007 in the wild and no public exploit code.

Affected product: Tenable Identity Exposure. 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-2026-13007/ (Markdown: https://insights.sbomify.com/CVE-2026-13007/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-13007
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-13007
- OSV: https://osv.dev/vulnerability/CVE-2026-13007

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-13007/
Summaries are generated and may contain mistakes; the official description above is the record.