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Vulnerabilities

Vulnerability · CVE-2026-113643

PDF rendering allows users with edit access to PDF template scope to view image attachments with known ID they don't have access to

Published Oct 13, 2026 · catalog updated Oct 23, 2026 · PDF rendering allows users

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-113643. EPSS is 0.38%. Act only if a listed version of PDF rendering allows users is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (PDF rendering allows users).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.38%
Remediation
Not established
Affected products
See sources for product scope

**Summary:** Users who can create or modify PDF templates may be able to access image attachments belonging to other users or records without proper authorization. By embedding a reference to an attachment in a template and generating a PDF, they can bypass the normal access restrictions and retrieve images they should not be allowed to view.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2026-113643

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the cve_org record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-113643. EPSS is 0.38%. Act only if a listed version of PDF rendering allows users is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-200: Exposure of Sensitive Information; CWE-284: Improper Access Control; CWE-639: Authorization Bypass Through User-Controlled Key. EPSS 0.38%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

EspoCRM security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 13, 2026 · Maintainer security tabs

    Detected

    **Summary:** Users who can create or modify PDF templates may be able to access image attachments belonging to other users or records without proper authorization. By embedding a reference to an attachment in a template and generating a PDF, they can bypass the normal access restrictions and retrieve images they should not be allowed to view.

  2. Oct 23, 2026 · Maintainer security tabs

    Updated

    **Summary:** Users who can create or modify PDF templates may be able to access image attachments belonging to other users or records without proper authorization. By embedding a reference to an attachment in a template and generating a PDF, they can bypass the normal access restrictions and retrieve images they should not be allowed to view.

Sources

  • CVE.orgVulnerability recordCVE-2026-113643

    Official CVE identifier

    cve.org
  • Maintainer security tabsVendor advisoryGHSA-r277-qh74-r86f

    **Summary:** Users who can create or modify PDF templates may be able to access image attachments belonging to other users or records without proper authorization. By embedding a reference to an attachment in a template and generating a PDF, they can bypass the normal access restrictions and retrieve images they should not be allowed to view.

    github.com

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • CVE.orgNov 2, 2026
  • Maintainer security tabsNov 1, 2026
CVE-2026-113643: PDF rendering CVSS 4.3 · ZeroDay Findings