Vulnerability-Lookup

CVE-2026-85183 (GCVE-0-2026-85183)

Vulnerability from cvelistv5 – Published: 2026-09-03 14:12 – Updated: 2026-09-03 14:43

Title

Taipy through 4.1.1 Cross-Site WebSocket Hijacking via Wildcard socket.io CORS

Summary

Taipy configures its socket.io server with wildcard CORS origin and credential flag enabled, allowing any web page to establish credentialed WebSocket connections to victim applications. Attackers can open socket.io sessions from arbitrary domains and invoke state variable modifications and action callbacks without CSRF protection.

Severity

9.3 (Critical)


                        
                          CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

9.3 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-03 14:43 UTC

CWE

CWE-1385 - Missing Origin Validation in WebSockets

Assigner

VulnCheck mitre root

References

4 references

URL	Tags
https://github.com/Avaiga/taipy/issues/2890	issue-tracking
https://github.com/Avaiga/taipy	product
https://github.com/Avaiga/taipy/blob/4.1.1/taipy/…	technical-description
https://www.vulncheck.com/advisories/taipy-throug…	third-party-advisory

Impacted products

1 product

Vendor	Product	Version	CPE status
Avaiga	taipy	Affected: 0 , ≤ 4.1.1 (semver) cpe:2.3:a:taipy:taipy::::::::

Date Public

2026-07-05 00:00

Credits

George Chen

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-85183

Vulnerability from fkie_nvd - Published: 2026-09-03 15:17 - Updated: 2026-09-03 15:17

Severity

9.3 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

Summary

References

	URL	Tags
	disclosure@vulncheck.com	https://github.com/Avaiga/taipy
	disclosure@vulncheck.com	https://github.com/Avaiga/taipy/blob/4.1.1/taipy/gui/server.py
	disclosure@vulncheck.com	https://github.com/Avaiga/taipy/issues/2890
	disclosure@vulncheck.com	https://www.vulncheck.com/advisories/taipy-through-4.1.1-cross-site-websocket-hijacking-via-wildcard-socket-io-cors
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/Avaiga/taipy/issues/2890

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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  ]
}

GHSA-JCR8-JMF2-43VW

Vulnerability from github – Published: 2026-09-03 15:32 – Updated: 2026-09-03 15:32

Details

Severity

9.3 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

9.3 (Critical)


                  
                    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-85183"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1385"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-03T15:17:39Z",
    "severity": "CRITICAL"
  },
  "details": "Taipy configures its socket.io server with wildcard CORS origin and credential flag enabled, allowing any web page to establish credentialed WebSocket connections to victim applications. Attackers can open socket.io sessions from arbitrary domains and invoke state variable modifications and action callbacks without CSRF protection.",
  "id": "GHSA-jcr8-jmf2-43vw",
  "modified": "2026-09-03T15:32:25Z",
  "published": "2026-09-03T15:32:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-85183"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Avaiga/taipy/issues/2890"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Avaiga/taipy"
    },
    {
      "type": "WEB",
      "url": "https://github.com/Avaiga/taipy/blob/4.1.1/taipy/gui/server.py"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/taipy-through-4.1.1-cross-site-websocket-hijacking-via-wildcard-socket-io-cors"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

CVE-2026-85183 (GCVE-0-2026-85183)

FKIE_CVE-2026-85183

GHSA-JCR8-JMF2-43VW

Tags

Sightings

Nomenclature