Red Hat Developer Hub 1.9.9 Addresses 30 Vulnerabilities
Tech GuruQuick Answer
Red Hat released Developer Hub 1.9.9 under RHSA-2026:69248, covering the 30 CVEs listed below for the 1.9 stream. The update spans bundled dependency issues rather than one portal exploit. Match the supported deployment to the advisory and update the running release, not just a local image tag.
Confirm Scope And Apply The Supported Fix
What to do now: Inventory Red Hat Developer Hub 1.9, match the exact affected release or feature, apply the authority-supported fixed build or service remediation, validate the dependent workflow, and preserve evidence.
Last verified: 2026-09-21 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | Red Hat Developer Hub 1.9 |
|---|---|
| Advisory | RHSA-2026:69248 |
| CVEs | CVE-2026-19534, CVE-2026-33818, CVE-2026-54272, CVE-2026-55553, CVE-2026-56853, CVE-2026-56858, CVE-2026-56859, CVE-2026-56860, CVE-2026-56862, CVE-2026-67214, CVE-2026-67312, CVE-2026-67422, CVE-2026-69152, CVE-2026-69192, CVE-2026-73086, CVE-2026-75899, CVE-2026-75931, CVE-2026-75975, CVE-2026-76172, CVE-2026-83605, CVE-2026-83607, CVE-2026-83608, CVE-2026-83613, CVE-2026-83614, CVE-2026-83615, CVE-2026-83616, CVE-2026-83619, CVE-2026-84292, CVE-2026-84394, CVE-2026-84961 |
| Authoritative release date | 2026-09-21 07:52:01 UTC |
| Authority revision date | 2026-09-21 11:45:25 UTC |
| Affected versions | The advisory-specific supported Red Hat Developer Hub 1.9 builds before the listed fixed package or release. |
| Fixed version | Red Hat Developer Hub 1.9.9 |
| CVSS base score | 3.1 / 7.2 / 7.4 / 7.5 / 8.1 / 8.6 (CVSS v3.1) |
| CVSS severity | Low to High |
| Exploitation status | Not stated by the authority; no exploitation claim is inferred. |
What Changed
Developer Hub is a self-managed developer portal built on Backstage. Red Hat's CVE list includes URL/address parsing that can bypass request restrictions, HTTP/TLS handling, XML or markup injection, and input-driven resource exhaustion in bundled libraries. The list identifies update coverage; it does not establish that every plugin or installation exposes each vulnerable library path.
What To Validate Now
- Inventory. Locate Red Hat Developer Hub 1.9 deployments, versions, enabled features, exposure paths, owners, and dependent services.
- Establish applicability. Compare each deployment with the authority's affected-version statement: The advisory-specific supported Red Hat Developer Hub 1.9 builds before the listed fixed package or release. Do not infer applicability from product family or severity alone.
- Remediate. Apply Red Hat Developer Hub 1.9.9 through the supported vendor or project channel, following the current advisory and change-control requirements.
- Validate. Confirm the deployed 1.9.9 release and actual images, then test sign-in, catalog access, approved software templates, Tech Docs, and enabled plugin integrations. Record deployment health and any compatibility exceptions.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Follow the supported Developer Hub deployment and upgrade path for the cluster. Keep custom plugins and integrations in the compatibility review, and verify the running deployment after rollout; the CVE count and maximum score do not demonstrate compromise.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
