Bug 2494457 - CVE-2026-39833 vagrant: golang.org/x/crypto/ssh/agent: Security bypass due to unenforced key confirmation [fedora-all]
Summary: CVE-2026-39833 vagrant: golang.org/x/crypto/ssh/agent: Security bypass due to...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Fedora
Classification: Fedora
Component: vagrant
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Vít Ondruch
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["28ae1c3c-f791-4399-96eb-f...
Depends On:
Blocks: CVE-2026-39833
TreeView+ depends on / blocked
 
Reported: 2026-06-29 15:36 UTC by jkelly
Modified: 2026-06-29 16:51 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed: 2026-06-29 16:51:22 UTC
Type: ---
Embargoed:


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Description jkelly 2026-06-29 15:36:38 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

The in-memory keyring returned by NewKeyring() silently accepted keys with the ConfirmBeforeUse constraint but never enforced it. The key would sign without any confirmation prompt, with no indication to the caller that the constraint was not in effect. NewKeyring() now returns an error when unsupported constraints are requested.

Comment 1 Vít Ondruch 2026-06-29 16:51:22 UTC
Vagrant does not ship any Golang bits => CLOSED NOTABUG


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