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TI-2021-08394 Aliases CVE-2021-26715GHSA-792r-mh2q-p8qp

The OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a…

Priority MEDIUM 42CWE-918Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

The OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a Server Side Request Forgery (SSRF) vulnerability. The vulnerability arises due to unsafe usage of the logo_uri parameter in the Dynamic Client Registration request. An unauthenticated attacker can make a HTTP request from the vulnerable server to any address in the internal network and obtain its response (which might, for example, have a JavaScript payload for resultant XSS). The issue can be exploited to bypass network boundaries, obtain sensitive data, or attack other hosts in the internal network.

Why it matters now

EPSS 0.01494 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.mitre:openid-connect-server (Maven)up to 1.3.3—No fix listedGHSA-792r-mh2q-p8qp
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.mitre:openid-connect-server (Maven) Vendor— Affected up to 1.3.3 Fixed in — No fix listed GHSA-792r-mh2q-p8qp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mitreid:connect:*:*:*:*:*:*:*:*up to 1.3.3VulnerableMitreid
  • cpe:2.3:a:mitreid:connect:*:*:*:*:*:*:*:* Versions up to 1.3.3 Vulnerable ·Mitreid

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-26715
  2. 2026-10-03 Alias added: GHSA-792r-mh2q-p8qp

References

Exploit 1

Advisory 2

  • TI-2021-09034 org/mitre/oauth2/web/OAuthConfirmationController.java in the OpenID Connect server… CVSS 3.1CRITICAL 9.1
  • TI-2020-04475 The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS… CVSS 3.1MEDIUM 6.1

Sources

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