# Openidc vulnerabilities

Source: https://junglewise.ai/threats/vendors/openidc  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/openidc.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 5 vulnerabilities in Openidc: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-53939, was published on 9 September 2026. Nothing was published in the last eight weeks.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 3
- All time: 5 (1 critical, 0 exploited in the wild)

## About Openidc

OpenIDC is an open-source project focused on implementing OpenID Connect and OAuth 2.0 protocols.

## Latest Openidc vulnerabilities

- [CVE-2026-53939: OpenIDC cjose all-zero CEK in AES-CBC-HMAC encryption](https://junglewise.ai/threats/cve-2026-53939-openidc-cjose-all-zero-cek-in-aes-cbc-hmac-encryption) (critical, CVSS 9.1, published 9 Sep 2026)
- [CVE-2026-53938: OpenIDC cjose heap buffer overflow in AES Key Wrap decryption](https://junglewise.ai/threats/cve-2026-53938-openidc-cjose-heap-buffer-overflow-in-aes-key-wrap-decryption) (high, CVSS 8.2, published 9 Sep 2026)
- [CVE-2026-54789: mod_auth_openidc out-of-bounds read and write in state cookie parser](https://junglewise.ai/threats/cve-2026-54789-mod-auth-openidc-out-of-bounds-read-and-write-in-state-cookie) (high, CVSS 7.5, published 21 Aug 2026)
- [CVE-2026-54431: OpenIDC liboauth2 improper security check in DPoP verifier](https://junglewise.ai/threats/cve-2026-54431-openidc-liboauth2-improper-security-check-in-dpop-verifier) (info, CVSS 5.1, published 2 Jul 2026)
- [CVE-2026-54430: OpenIDC liboauth2 SSRF in oauth2_jose_jwks_aws_alb_resolve](https://junglewise.ai/threats/cve-2026-54430-openidc-liboauth2-ssrf-in-oauth2-jose-jwks-aws-alb-resolve) (info, CVSS 5.1, published 2 Jul 2026)

## Most severe Openidc vulnerabilities

- [CVE-2026-53939: OpenIDC cjose all-zero CEK in AES-CBC-HMAC encryption](https://junglewise.ai/threats/cve-2026-53939-openidc-cjose-all-zero-cek-in-aes-cbc-hmac-encryption) (critical, CVSS 9.1, published 9 Sep 2026)
- [CVE-2026-53938: OpenIDC cjose heap buffer overflow in AES Key Wrap decryption](https://junglewise.ai/threats/cve-2026-53938-openidc-cjose-heap-buffer-overflow-in-aes-key-wrap-decryption) (high, CVSS 8.2, published 9 Sep 2026)
- [CVE-2026-54789: mod_auth_openidc out-of-bounds read and write in state cookie parser](https://junglewise.ai/threats/cve-2026-54789-mod-auth-openidc-out-of-bounds-read-and-write-in-state-cookie) (high, CVSS 7.5, published 21 Aug 2026)
- [CVE-2026-54431: OpenIDC liboauth2 improper security check in DPoP verifier](https://junglewise.ai/threats/cve-2026-54431-openidc-liboauth2-improper-security-check-in-dpop-verifier) (info, CVSS 5.1, published 2 Jul 2026)
- [CVE-2026-54430: OpenIDC liboauth2 SSRF in oauth2_jose_jwks_aws_alb_resolve](https://junglewise.ai/threats/cve-2026-54430-openidc-liboauth2-ssrf-in-oauth2-jose-jwks-aws-alb-resolve) (info, CVSS 5.1, published 2 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 1 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 2 | 1 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Openidc vulnerabilities", https://junglewise.ai/threats/vendors/openidc, 9 November 2026.