# CVE-2026-10804: Streamlit Palette hashing.py weak hash

> Streamlit uses a weak hash in its caching module, potentially allowing attackers with local access to bypass security checks.

- **Severity:** Low 2.0 (`CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** Yes
- **Published:** 4 Jun 2026
- **Updated:** 4 Jun 2026
- **Also known as:** GHSA-vqwp-45wm-r9r5, PYSEC-2026-212

## What is CVE-2026-10804?

CVE-2026-10804 is a low-severity vulnerability in Streamlit, published on 4 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability has been found in Streamlit up to 1.53.0. Impacted is an unknown function in the library lib/streamlit/runtime/caching/hashing.py of the component Palette Handler. Such manipulation leads to use of weak hash. Local access is required to approach this attack. The attack requires a high level of complexity. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The pull request to fix this issue awaits acceptance.

Weakness: CWE-328 (Use of Weak Hash), CWE-327 (Use of a Broken or Risky Cryptographic Algorithm)

## Which versions are affected by CVE-2026-10804?

3 open source packages ship an affected version, including streamlit. It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `streamlit` | PyPI | All versions | 1.53.1 |
| `streamlit` | PyPI | All versions | 1.53.1 |
| `streamlit` | PyPI | All versions | 1.53.1 |

Products: Snowflake Streamlit.

## How do I fix CVE-2026-10804?

Upgrade streamlit to 1.53.1 or later.

## Is CVE-2026-10804 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10804 exists.

## Other vulnerabilities in Streamlit

- [CVE-2022-35918](https://insights.sbomify.com/CVE-2022-35918/): Streamlit directory traversal vulnerability (medium 6.5)
- [CVE-2024-42474](https://insights.sbomify.com/CVE-2024-42474/): Streamlit Path Traversal Security Vulnerability on Windows (medium 5.9)
- [CVE-2023-27494](https://insights.sbomify.com/CVE-2023-27494/): Streamlit Cross-site Scripting vulnerability (medium 5.9)
- [CVE-2026-33682](https://insights.sbomify.com/CVE-2026-33682/): Streamlit on Windows has Unauthenticated SSRF Vulnerability (NTLM Credential Exposure) (medium 4.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-10804 and fix it if it is affected.

What it is: CVE-2026-10804 is a low-severity vulnerability in Streamlit, published on 4 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-10804 exists.

Affected packages and fixed versions:
- streamlit (PyPI): affected all versions; fixed in 1.53.1
- streamlit (PyPI): affected all versions; fixed in 1.53.1
- streamlit (PyPI): affected all versions; fixed in 1.53.1

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-2026-10804/ (Markdown: https://insights.sbomify.com/CVE-2026-10804/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-10804
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-10804
- OSV: https://osv.dev/vulnerability/CVE-2026-10804

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-10804/
Summaries are generated and may contain mistakes; the official description above is the record.