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.
- 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
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.
Which versions are affected by CVE-2026-10804?
3 open source packages ship an affected version, including streamlit. It affects 1 product.
| Package | 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 include 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
Sources
Also known as GHSA-vqwp-45wm-r9r5, PYSEC-2026-212.