# CVE-2026-33682: Unauthenticated SSRF Vulnerability in Streamlit on Windows (NTLM Credential Exposure)

Source: https://junglewise.ai/threats/cve-2026-33682-unauthenticated-ssrf-vulnerability-in-streamlit-on-windows-ntlm  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-03-26  
License: CC BY 4.0 with a link back

CVE-2026-33682 · Severity: low · CVSS 3.1 · Published 2026-03-26

Streamlit is a data oriented application development framework for python. Streamlit Open Source versions prior to 1.54.0 running on Windows hosts have an unauthenticated Server-Side Request Forgery (SSRF) vulnerability. The vulnerability arises from improper validation of attacker-supplied filesystem paths. In certain code paths, including within the `ComponentRequestHandler`, filesystem paths are resolved using `os.path.realpath()` or `Path.resolve()` before sufficient validation occurs. On Windows systems, supplying a malicious UNC path (e.g., `\\attacker-controlled-host\share`) can cause the Streamlit server to initiate outbound SMB connections over port 445. When Windows attempts to authenticate to the remote SMB server, NTLMv2 challenge-response credentials of the Windows user running the Streamlit process may be transmitted. This behavior may allow an attacker to perform NTLM relay attacks against other internal services and/or identify internally reachable SMB hosts via timing analysis. The vulnerability has been fixed in Streamlit Open Source version 1.54.0.

Technologies: [streamlit (PyPI)](https://junglewise.ai/threats/technologies/pypi-streamlit). Vendors: [PyPI](https://junglewise.ai/threats/vendors/pypi).

## Quick answers

**Is CVE-2026-33682 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-33682 being exploited in the wild.

**How severe is CVE-2026-33682?** Low severity, with a CVSS score of 3.1, published 26 March 2026.

**Which products and versions are affected?** streamlit (PyPI) ECOSYSTEM:introduced=0,fixed=1.54.0.

**Is there a fix for CVE-2026-33682?** Yes. streamlit (PyPI): upgrade to 1.54.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-33682?** Check whether you run streamlit (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- streamlit (PyPI): upgrade to 1.54.0 or later

  ```sh
  pip install "streamlit>=1.54.0"
  ```


## Affected products

- streamlit (PyPI) ECOSYSTEM:introduced=0,fixed=1.54.0

## Identifiers

- CVE-2026-33682
- GHSA-7p48-42j8-8846
- PYSEC-2026-2285

## Related threats

- [Streamlit weak hash in caching component](https://junglewise.ai/threats/cve-2026-10804-streamlit-weak-hash-in-caching-component)
- [Path traveral in Streamlit on windows](https://junglewise.ai/threats/cve-2024-42474-path-traveral-in-streamlit-on-windows)
- [Streamlit publishes previously-patched Cross-site Scripting vulnerability](https://junglewise.ai/threats/cve-2023-27494-streamlit-publishes-previously-patched-cross-site-scripting)
- [Streamlit directory traversal vulnerability](https://junglewise.ai/threats/cve-2022-35918-streamlit-directory-traversal-vulnerability)