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TI-2026-76999 Aliases CVE-2026-113643GHSA-w8vm-3g62-56g7

Authorization bypass in EspoCRM PDF rendering pipeline

Priority MEDIUM 57CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.

Summary

EspoCRM up to 9.3.10 and 10.0.10 contains an authorization bypass in its PDF rendering pipeline, where manipulating the ID argument of ImageSourceProvider::get skips access checks (CWE-639). A remote attacker with low privileges can exploit this without user interaction to gain limited read access to data. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A vulnerability was found in EspoCRM up to 9.3.10/10.0.10. This affects the function ImageSourceProvider::get of the file application/Espo/Tools/Pdf/Dompdf/ImageSourceProvider.php of the component PDF Rendering Pipeline. Performing a manipulation of the argument ID results in authorization bypass. The attack may be initiated remotely. The patch is named 91a9edbcedb9c7aa8e3d3ac81d8a7acccb99bca2. It is suggested to install a patch to address this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00379 32nd percentileScored 2026-11-07
Public exploit Yes 4 exploit referencesTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—EspoCRM9.3.0; 9.3.1; 9.3.2; 9.3.3; 9.3.4; 9.3.5; 9.3.6; 9.3.7; 9.3.8; 9.3.9; 9.3.10; 10.0.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.0.5; 10.0.6; 10.0.7; 10.0.8; 10.0.9; 10.0.10—No fix listedCNA
  • EspoCRM Vendor— Affected 9.3.0; 9.3.1; 9.3.2; 9.3.3; 9.3.4; 9.3.5; 9.3.6; 9.3.7; 9.3.8; 9.3.9; 9.3.10; 10.0.0; 10.0.1; 10.0.2; 10.0.3; 10.0.4; 10.0.5; 10.0.6; 10.0.7; 10.0.8; 10.0.9; 10.0.10 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:espocrm:espocrm:*:*:*:*:*:*:*:*——espocrm
  • cpe:2.3:a:espocrm:espocrm:*:*:*:*:*:*:*:* Versions — — ·espocrm

Remediation

No fixed version for EspoCRM is listed. The CNA suggests installing the patch named 91a9edb.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-113643
  2. 2026-10-21 Alias added: GHSA-w8vm-3g62-56g7

References

Exploit 4

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences