CVE-2026-40906
What it is
Electric is a Postgres sync engine. From 1.1.12 to before 1.5.0, the order_by parameter in the ElectricSQL /v1/shape API is vulnerable to error-based SQL injection, allowing any authenticated user to read, write, and destroy the full contents of the underlying PostgreSQL database through crafted ORDER BY expressions. This vulnerability is fixed in 1.5.0.
At a glance
- Exploitability
- Can be exploited over the network with a low-privilege account. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 0.5% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 0.5% · EPSS, next 30 days
- Weakness
- CWE-89 · SQL injection
- Record status
- Modified
Affected
- Electric sync-service < 1.5.0
Attack profile CVSS 3.1 · 9.9
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Fix and advisories
- https://github.com/electric-sql/electric/pull/4081
- https://github.com/electric-sql/electric/security/advisories/GHSA-h5rg-pxx7-r2hj
- https://github.com/electric-sql/electric/security/advisories/GHSA-h5rg-pxx7-r2hj
References
- https://github.com/electric-sql/electric/pull/4081
- https://github.com/electric-sql/electric/security/advisories/GHSA-h5rg-pxx7-r2hj
- https://access.redhat.com/security/cve/CVE-2026-40906
- https://bugzilla.redhat.com/show_bug.cgi?id=2460291
- https://github.com/electric-sql/electric/security/advisories/GHSA-h5rg-pxx7-r2hj
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40906.json