CVE-2026-80227 SQL string_trim removes only spaces, diverging from in-memory trimming in AshSql
Attackers can bypass uniqueness or equality checks by padding strings with whitespace characters that are not trimmed in SQL, leading to duplicate data or validation bypasses.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-80227?
CVE-2026-80227 is a low-severity vulnerability in ash-project ash_sql, published on 30 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Incorrect Comparison vulnerability in ash-project ash_sql allows a user to pad a string field with tab, newline, carriage-return, or form-feed characters and pass a trimmed uniqueness or equality check in the database that the same expression would fail in memory (or the reverse).
string_trim/1 compiles to REGEXP_REPLACE patterns built from an Elixir string in which \s is the escape for a single space (codepoint 32), not a regex whitespace class. The generated SQL therefore removes only literal spaces and leaves tabs, newlines, carriage returns, and form feeds in place, whereas String.trim/1 in Elixir removes them all. Any Ash filter, validation, or identity that relies on string_trim/1 then behaves differently depending on whether Ash pushes the expression down to SQL or evaluates it in memory, so padded input can register a near-duplicate value or slip past a trimmed comparison.
This issue affects ash_sql: from 0.1.0 before 0.7.1.
Weakness: CWE-697
Which versions are affected by CVE-2026-80227?
1 open source package ship an affected version, including ash_sql.
| Package | Affected | Fixed in |
|---|---|---|
ash_sql Hex | From 0.1.0 | 0.7.1 |
How do I fix CVE-2026-80227?
Upgrade ash_sql to 0.7.1 or later.
Is CVE-2026-80227 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-80227 exists.
Sources
Also known as EEF-CVE-2026-80227, GHSA-76wx-w7ww-5xfq.