CVE-2012-4406 — Vulnerability in swift — CVE Details
CRITICAL
OpenStack Object Storage (swift) Code Injection vulnerability
Published June 29, 2026Updated July 1, 2026Source: osv
Summary
OpenStack Object Storage (swift) before 1.7.0 uses the loads function in the pickle Python module unsafely when storing and loading metadata in memcached, which allows remote attackers to execute arbitrary code via a crafted pickle object.
Advisory Timeline
- First published June 29, 2026 (105 days ago).
- Last revised July 1, 2026 — 2 days after initial publication.
Remediation
Upgrade to the fixed version using your package manager.
pip
Update swift to 1.7.0 or laterpip install "swift>=1.7.0"
After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.
Affected Packages (1)
Affects 1 ecosystem: pypi (1).
| Package | Ecosystem | Affected | Fixed In |
|---|---|---|---|
| swift | pypi | 1.0.2 | 1.7.0 |
CVSS Score Breakdown
What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- https://nvd.nist.gov/vuln/detail/CVE-2012-4406ADVISORY
- https://github.com/openstack/swift/commit/e1ff51c04554d51616d2845f92ab726cb0e5831aWEB
- https://access.redhat.com/errata/RHSA-2012:1379WEB
- https://access.redhat.com/errata/RHSA-2013:0691WEB
- https://access.redhat.com/security/cve/CVE-2012-4406WEB
- https://bugs.launchpad.net/swift/+bug/1006414WEB
- https://bugzilla.redhat.com/show_bug.cgi?id=854757WEB
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79140WEB
- https://launchpad.net/swift/+milestone/1.7.0WEB
- https://opendev.org/openstack/swiftPACKAGE
- https://web.archive.org/web/20130629092623/http://www.securityfocus.com/bid/55420WEB
- https://lists.fedoraproject.org/pipermail/package-announce/2012-October/089472.htmlWEB
- https://rhn.redhat.com/errata/RHSA-2012-1379.htmlWEB
- https://rhn.redhat.com/errata/RHSA-2013-0691.htmlWEB
- https://www.openwall.com/lists/oss-security/2012/09/05/16WEB
- https://www.openwall.com/lists/oss-security/2012/09/05/4WEB
- https://www.securityfocus.com/bid/55420WEB
- https://pypi.org/project/swiftPACKAGE
- https://github.com/advisories/GHSA-v7mh-3jgf-r26cADVISORY
Frequently Asked Questions
- What is CVE-2012-4406?
- OpenStack Object Storage (swift) Code Injection vulnerability This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
- How do I check if my project is affected by CVE-2012-4406?
- CVE-2012-4406 affects swift. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2012-4406 and 200,000+ other known vulnerabilities.
Severity & Exploitability
CVSS Score
9.8
Exploitation is straightforward and causes maximum impact. Patch immediately.
Also Known As
PYSEC-2026-545
GHSA-v7mh-3jgf-r26c
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