Red Hat Security Advisory: DevWorkspace Operator 0.39.0 release.
The DevWorkspace Operator extends OpenShift to provide DevWorkspace support.
AI Analysis
Technical Summary
CVE-2025-47913 is a flaw in the golang.org/x/crypto/ssh/agent package used by the DevWorkspace Operator that causes the SSH agent client to panic when a peer responds with a generic SSH_AGENT_SUCCESS (0x06) message to requests expecting typed replies. The unmarshalling logic does not handle this unexpected but protocol-legal message type gracefully, resulting in a panic or nil-pointer dereference. This vulnerability allows a malicious or misbehaving SSH agent to reliably crash the client process, causing a denial of service. It is particularly impactful in environments using SSH agent forwarding, shared workspaces, or CI/CD runners. The issue is a design-level reliability flaw rather than a simple error-handling bug. Red Hat has released DevWorkspace Operator version 0.39.0 to address this issue.
Potential Impact
The vulnerability causes the SSH agent client process to crash when receiving an unexpected message type, resulting in a denial of service. This can disrupt developer tooling and automation that rely on SSH agent interactions, especially in environments with forwarded SSH agents or shared workspaces. There is no impact on confidentiality or integrity, but availability is significantly affected.
Mitigation Recommendations
Red Hat has released DevWorkspace Operator version 0.39.0 which addresses this vulnerability. Users should upgrade to version 0.39.0 or later. No other mitigations meeting Red Hat's standards are currently available. Until upgraded, systems remain vulnerable to denial of service via malicious SSH agent messages.
Red Hat Security Advisory: DevWorkspace Operator 0.39.0 release.
Description
The DevWorkspace Operator extends OpenShift to provide DevWorkspace support.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2025-47913 is a flaw in the golang.org/x/crypto/ssh/agent package used by the DevWorkspace Operator that causes the SSH agent client to panic when a peer responds with a generic SSH_AGENT_SUCCESS (0x06) message to requests expecting typed replies. The unmarshalling logic does not handle this unexpected but protocol-legal message type gracefully, resulting in a panic or nil-pointer dereference. This vulnerability allows a malicious or misbehaving SSH agent to reliably crash the client process, causing a denial of service. It is particularly impactful in environments using SSH agent forwarding, shared workspaces, or CI/CD runners. The issue is a design-level reliability flaw rather than a simple error-handling bug. Red Hat has released DevWorkspace Operator version 0.39.0 to address this issue.
Potential Impact
The vulnerability causes the SSH agent client process to crash when receiving an unexpected message type, resulting in a denial of service. This can disrupt developer tooling and automation that rely on SSH agent interactions, especially in environments with forwarded SSH agents or shared workspaces. There is no impact on confidentiality or integrity, but availability is significantly affected.
Mitigation Recommendations
Red Hat has released DevWorkspace Operator version 0.39.0 which addresses this vulnerability. Users should upgrade to version 0.39.0 or later. No other mitigations meeting Red Hat's standards are currently available. Until upgraded, systems remain vulnerable to denial of service via malicious SSH agent messages.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:2454
- Cve Count
- 2
- Additional Cves
- ["CVE-2025-61729"]
Threat ID: 6a160969e29bf47b5062ea1f
Added to database: 05/26/2026, 20:58:17 UTC
Last enriched: 08/14/2026, 21:38:44 UTC
Last updated: 09/10/2026, 19:36:50 UTC
Views: 120
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