CVE-2026-6550
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
AWS Encryption SDK for Python: Key commitment policy bypass via shared key cache
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 withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | aws-encryption-sdk | >=2.0.0,<3.3.1 | 3.3.1 |
| PyPI | aws-encryption-sdk | >=4.0.0,<4.0.5 | 4.0.5 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| aws | encryption-sdk-for-python | | |
References
- https://github.com/aws/aws-encryption-sdk-python/security/advisories/GHSA-v638-38fc-rhfv
- https://github.com/google/security-research/security/advisories/GHSA-wqgp-vphw-hphf
- https://nvd.nist.gov/vuln/detail/CVE-2026-6550
- https://aws.amazon.com/security/security-bulletins/2026-017-aws
- https://github.com/aws/aws-encryption-sdk-python
- https://github.com/aws/aws-encryption-sdk-python/releases/tag/v3.3.1
- https://github.com/aws/aws-encryption-sdk-python/releases/tag/v4.0.5
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.