Streamlit @st.cache_data hash collision via fixed sampling seed and PIL P-mode palette omission

Low3.6CVE-2026-10804 · Published Jun 4, 2026 · updated Jul 15, 2026

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.