TI-2026-08911 Aliases CVE-2026-10173 GHSA-r68q-jr9v-43rv

Orthanc Explorer 2 URL StudyList.vue cross site scripting

MEDIUM 63CWE-79Published 2026-05-31 · Updated 2026-06-01

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Cross-site scripting, Code execution
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

A weakness has been identified in Orthanc Explorer 2 up to 1.12.0. The impacted element is an unknown function of the file WebApplication/src/components/StudyList.vue of the component URL Handler. This manipulation of the argument remote-source causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Patch name: 21f78ce5da668bf5233efcd1896ec7c6e3b22eae. Applying a patch is the recommended action to fix this issue.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00278 20th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Orthanc	Explorer 2	1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12.0	—	No fix listed	CNA

Explorer 2 VendorOrthanc Affected 1.0; 1.1; 1.2; 1.3; 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; 1.10; 1.11; 1.12.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:orthanc:explorer_2::::::::	—	—	—

cpe:2.3:a:orthanc:explorer_2:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-10173
2026-10-03 Alias added: GHSA-r68q-jr9v-43rv

References

Exploit 1

https://github.com/orthanc-server/orthanc-explorer-2/issues/108

Patch 1

https://github.com/rafaelsouzars/orthanc-explorer-2/commit/21f78ce5da668bf5233efcd1896ec7c6e3b22eae

TI-2026-09055 Orthanc DICOM Server DCMTK FromDcmtkBridge.cpp read stack-based overflow CVSS 4.0MEDIUM 4.8
TI-2025-00759 Orthanc Server Missing Authentication for Critical Function CVSS 4.0CRITICAL 9.2
TI-2026-04766 Heap Buffer Overflow in DICOM Image Decoder (Palette Color Decode) CVSS 3.1CRITICAL 9.8
TI-2026-04765 Heap Buffer Overflow in DICOM Image Decoder via VR UL Dimensions CVSS 3.1CRITICAL 9.8
TI-2023-16538 Orthanc before 1.12.0 allows authenticated users with access to the Orthanc API to… CVSS 3.1HIGH 8.8
TI-2026-04768 Out-of-Bounds Read in DicomImageDecoder (DecodeLookupTable) CVSS 3.1CRITICAL 9.1

See all 16 →

Sources

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