CVE-2026-29080 Rucio SQL Injection in FilterEngine Oracle JSON Path via DID Search API

Critical 9.4 Published Updated

Authenticated users can execute arbitrary SQL on Oracle deployments via the DID search API, exposing sensitive data and allowing database modification.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-29080?

CVE-2026-29080 is a critical SQL injection vulnerability in rucio, published on 6 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A SQL injection vulnerability in `FilterEngine.create_sqla_query()` allows any authenticated Rucio user to execute arbitrary SQL against the backend database through the DID search endpoint (`GET /dids/<scope>/dids/search`). On Oracle deployments attacker-controlled filter keys and values are interpolated directly into `sqlalchemy.text()` via Python `.format()`, completely bypassing parameterization. This enables full database compromise including extraction of authentication tokens, password hashes, and all managed data identifiers. This affects versions 1.27.0 and later before 35.8.5, 38.5.5, 39.4.2, and 40.1.1.

The vulnerability exists in `lib/rucio/core/did_meta_plugins/filter_engine.py` within the `create_sqla_query()` method. When the database dialect is Oracle, filter expressions for JSON metadata columns are constructed using `text()` with Python string formatting. Both `key` and `value` are attacker-controlled strings derived from HTTP query parameters. The `text()` function creates a raw SQL fragment — it does **not** escape or parameterize its contents.

Any authenticated Rucio user can exploit this through the DID search API to execute arbitrary SQL against the backend database. This can expose all managed data identifiers and sensitive tables such as identities, tokens, accounts, rse_settings, and rules, and may allow modification of database contents. The issue affects Oracle deployments using the default json_meta plugin and does not affect PostgreSQL or MySQL deployments using that plugin.

This vulnerability has been fixed in versions 35.8.5, 38.5.5, 39.4.2, and 40.1.1.

Weakness: CWE-89

Which versions are affected by CVE-2026-29080?

9 open source packages ship an affected version, including rucio. It affects 1 product.

PackageAffectedFixed in
rucio PyPIFrom 1.27.035.8.5, 38.5.5, 39.4.2, 40.1.1
rucio PyPIFrom 1.27.035.8.5
rucio PyPIFrom 1.27.035.8.5
rucio PyPIFrom 36.0.038.5.5
rucio PyPIFrom 36.0.038.5.5
rucio PyPIFrom 39.0.039.4.2
3 more packages
rucio PyPIFrom 39.0.039.4.2
rucio PyPIFrom 40.0.040.1.1
rucio PyPIFrom 40.0.040.1.1

Products include Cern Rucio.

How do I fix CVE-2026-29080?

Upgrade rucio to a fixed version for your release line: 35.8.5, 38.5.5, 39.4.2 or 40.1.1.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-29080 being exploited?

There is no known exploitation of CVE-2026-29080 in the wild and no public exploit code.

Sources

Also known as GHSA-vjr5-c9qv-hgm3, PYSEC-2026-528.

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