VIR Vulnerability Intelligence Relay

CVE-2026-53965

unknown
Published 2026-08-14 · Modified —
Discuss on Community Propose mitigation
CVSS v3
—
CVSS v4 NEW
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not yet in upstream
VIR risk
—

Description

Client HttpTransport SSE buffer grows unbounded when server withholds the event delimiter

Predictions

Exploit likelihood
20%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact
EcosystemPackageVulnerableFixed
php Packagistmcp/sdk>=0.5.0,<0.7.1

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.