# Apache Airflow's Google provider built Google Drive search expressions by interpolating file and folder names directly into single-quoted string literals, without escaping the quote character that ... Advisory record · `PYSEC-2026-4187` - **Identifiers:** `PYSEC-2026-4187` · `CVE-2026-81914` - **State:** Confirmed - **Severity:** CVSS 4.3 Medium - **Critical:** No - **Weakness (CWE):** [CWE-943](https://cwe.mitre.org/data/definitions/943.html) - **Tags:** [Other injection](https://agentprime.io/advisories/tag/injection.md) - **Published:** 29 Sept 2026 - **Updated:** 8 Oct 2026 - **Reviewed by a person:** No Published by OSV at 29 Sept 2026, 10:17 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. ## Affected packages - `apache-airflow-providers-google` (PyPI): affected `<22.6.0`; fixed in `22.6.0` ## Machine-written summary Summary written by Claude Haiku from the source advisory. Not reviewed by a person. > Apache Airflow's apache-airflow-providers-google package, versions before 22.6.0, builds Google Drive search queries by inserting file and folder names into single-quoted strings without escaping apostrophes. An attacker who can create objects in a bucket used by a wildcard gcs_to_gdrive transfer, or otherwise supply names to the Drive hook, can add clauses to the query. This can redirect uploads into an attacker-named folder or make downloads return an attacker-placed file. Upgrade to apache-airflow-providers-google 22.6.0 or later, which escapes these values. Written 1 Nov 2026. ## Not analysed yet We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check. ## Severity and exploitation - 4.3 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`, from OSV - **CISA KEV:** Not listed. - **EPSS:** 0.0047, the 40th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days. ## Timeline - 31 Oct 2026, 14:08 UTC: First seen by agentprime - 31 Oct 2026, 14:08 UTC: [Confirmed by OSV](https://osv.dev/vulnerability/PYSEC-2026-4187) ## Sources - [OSV: PYSEC-2026-4187](https://osv.dev/vulnerability/PYSEC-2026-4187) - - - Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code. ## Check whether this affects you A Match means an installed version is in the affected range above. Most don’t affect the app; agentprime hasn’t analysed this one yet. - With the agentprime MCP server (), ask your agent to check the project: `check_lockfile` sends a lockfile, `check_packages` a list of installed packages, and both return the Matches and the upgrades that clear them. `get_advisory` returns this record. Setup: - In a browser: reads your lockfile in the browser, never uploading it. - Whether it touches your code, with file and line: the Claude Code plugin, - As JSON: , or `POST https://api.agentprime.io/v1/match` with your packages () --- The web page: . Everything for agents: .