CVE-2026-80227 ash-project CVE debrief

Who should care

Developers and administrators using ash-project ash_sql, especially those with sensitive data or high-integrity systems, should be aware of this vulnerability. They need to assess their exposure, apply patches, and implement compensating controls where necessary. Additionally, security teams and vulnerability management teams should prioritize this issue based on the CVSS score and the potential impact on their systems.

Technical summary

The ash_sql library incorrectly trims string fields, allowing users to bypass uniqueness and equality checks by padding with tab, newline, carriage-return, or form-feed characters. This issue arises from how string_trim/1 compiles to REGEXP_REPLACE patterns built from an Elixir string, where the escape for a single space (codepoint 32) is used, not a regex whitespace class. Consequently, the generated SQL removes only literal spaces and leaves tabs, newlines, carriage returns, and form feeds in place, whereas String.trim/1 in Elixir removes them all. This discrepancy causes Ash filters, validations, or identities that rely on string_trim/1 to behave differently depending on whether Ash pushes the expression down to SQL or evaluates it in memory.

Defensive priority

Low priority due to CVSS score of 2.1 and limited attack surface.

Recommended defensive actions

• Verify ash_sql version and apply patch to 0.7.1 or later
• Review and update affected systems and configurations
• Monitor for suspicious activity and implement compensating controls
• Perform a thorough review of system configurations to ensure they are not vulnerable to this issue
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up

Evidence notes

The evidence for this CVE is limited, primarily based on official records indicating a CVSS score of 2.1 and a LOW severity vulnerability. Further investigation and verification are needed to determine the full scope of the vulnerability, especially considering the potential for affected systems and configurations. Defenders should verify the ash_sql library version used in their environments and ensure that it is updated to 0.7.1 or later. Additionally, reviewing system configurations and monitoring for suspicious activity can help mitigate potential risks.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.