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Server-side request forgery in Zylon PrivateGPT URI Artifact Loader

Priority HIGH 70CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Zylon PrivateGPT versions 1.0.0 and 1.0.1 contain a server-side request forgery flaw (CWE-918) in the load_file_from_uri function of the URI Artifact Loader. Manipulating the Value argument makes the server issue requests that the attacker controls. A remote attacker can exploit this without authentication or user interaction. A public exploit has been released and may be used for attacks.

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

Description from the CNA

A security flaw has been discovered in Zylon PrivateGPT 1.0.0/1.0.1. This vulnerability affects the function load_file_from_uri of the file private_gpt/server/ingest/uri_loader.py of the component URI Artifact Loader. Performing a manipulation of the argument Value results in server-side request forgery. It is possible to initiate the attack remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00288 21st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged 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
Yes
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
ZylonPrivateGPT1.0.0; 1.0.1—No fix listedCNA
  • PrivateGPT VendorZylon Affected 1.0.0; 1.0.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:zylon:privategpt:*:*:*:*:*:*:*:*——Zylon
  • cpe:2.3:a:zylon:privategpt:*:*:*:*:*:*:*:* Versions — — ·Zylon

Remediation

The sources list no fixed version for Zylon PrivateGPT.

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

Timeline

  1. 2026-10-25 Threatist record created from CVE-2026-116000
  2. 2026-10-25 Priority changed: MEDIUM → LOW
  3. 2026-10-26 CISA SSVC decision points changed
  4. 2026-10-26 Priority changed: LOW → HIGH
  5. 2026-10-27 Alias added: GHSA-5gf5-vm4r-r6j6

References

Sources