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TI-2026-70534 Aliases CVE-2026-108521GHSA-44m2-rqg4-q7xj

Server-side request forgery in Studio-Saelix Sencho remote nodes

Priority MEDIUM 56CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
High
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

Studio-Saelix Sencho up to and including 0.97.1 contains a server-side request forgery flaw (CWE-918) in the validation of remote node API URLs in the isValidRemoteUrl function. An authenticated user with node-management permission can make the server send requests to addresses of their choosing, though the vendor states this shows request capability but not arbitrary internal response exfiltration. A public exploit has been disclosed and is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability has been found in Studio-Saelix Sencho up to 0.97.1. Affected by this issue is the function isValidRemoteUrl of the file backend/src/utils/validation.ts of the component Add Remote Node API Endpoint. Such manipulation leads to server-side request forgery. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor confirms: "The node API URL could be configured by an authenticated user with node-management permission and used to initiate server-side requests. [T]he report demonstrates server-side request capability but not arbitrary internal response exfiltration."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00218 12th 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
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
Studio-SaelixSencho0.97.0; 0.97.1—No fix listedCNA
  • Sencho VendorStudio-Saelix Affected 0.97.0; 0.97.1 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:studio-saelix:sencho:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:studio-saelix:sencho:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for Sencho.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-11 Threatist record created from CVE-2026-108521
  2. 2026-10-11 Alias added: GHSA-44m2-rqg4-q7xj
  3. 2026-10-13 CISA SSVC decision points changed
  4. 2026-10-13 Priority changed: LOW → MEDIUM

References

Exploit 1

  • TI-2026-70535 Sencho Login Endpoint Improper Authentication via X-Forwarded-For CVSS 4.0MEDIUM 6.9
  • TI-2026-70536 Server-side request forgery in Studio-Saelix Sencho Git sources CVSS 4.0MEDIUM 5.3

Sources

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