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Vulnerability from cleanstart
Published
2026-09-01 11:17
Modified
2026-09-04 11:14
Summary
Security fixes in py3.11-pip 26.2-r1
Details
Package py3.11-pip version 26.2-r1 fixes 4 vulnerabilities: CVE-2026-57585, ghsa-6v7p-g79w-8964, CVE-2025-47273, CVE-2026-59890
References
| URL | Type | |
|---|---|---|
{
"affected": [
{
"package": {
"ecosystem": "CleanStart",
"name": "py3.11-pip"
},
"ranges": [
{
"events": [
{
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},
{
"fixed": "26.2-r1"
}
],
"type": "ECOSYSTEM"
}
],
"versions": [
"26.2-r1"
]
}
],
"credits": [],
"database_specific": {},
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"id": "CLEANSTART-2026-WI70284",
"modified": "2026-09-04T11:14:10Z",
"published": "2026-09-01T11:17:16Z",
"references": [
{
"type": "WEB",
"url": "https://pip.pypa.io"
}
],
"related": [],
"schema_version": "1.7.3",
"summary": "Security fixes in py3.11-pip 26.2-r1",
"upstream": [
"CVE-2026-57585",
"ghsa-6v7p-g79w-8964",
"CVE-2025-47273",
"CVE-2026-59890"
]
}
CVE-2025-47273 (GCVE-0-2025-47273)
Vulnerability from cvelistv5 – Published: 2025-05-17 15:46 – Updated: 2025-05-28 15:03
VLAI
EPSS
VEX
Title
setuptools has a path traversal vulnerability in PackageIndex.download that leads to Arbitrary File Write
Summary
setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. A path traversal vulnerability in `PackageIndex` is present in setuptools prior to version 78.1.1. An attacker would be allowed to write files to arbitrary locations on the filesystem with the permissions of the process running the Python code, which could escalate to remote code execution depending on the context. Version 78.1.1 fixes the issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-19 14:45 UTC
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/pypa/setuptools/security/advis… | x_refsource_CONFIRM |
| https://github.com/pypa/setuptools/issues/4946 | x_refsource_MISC |
| https://github.com/pypa/setuptools/commit/250a6d1… | x_refsource_MISC |
| https://github.com/pypa/setuptools/blob/6ead555c5… | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2025… |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pypa | setuptools |
Affected:
< 78.1.1
|
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CVE-2026-57585 (GCVE-0-2026-57585)
Vulnerability from cvelistv5 – Published: 2026-06-30 21:36 – Updated: 2026-07-01 14:54
VLAI
EPSS
VEX
Title
MessagePack: Out-of-bounds read/crash on Unpacker reuse after caught error
Summary
MessagePack is the serializer implementation for Python msgpack.org. Prior to 1.2.1, there is an Out-of-bounds read/crash on Unpacker reuse after a caught error, potentially leading to a DoS attack. If the Unpacker is used repeatedly after an error occurs, the process may crash with a SEGV. This issue has been fixed in version 1.2.1.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-01 14:54 UTC
CWE
- CWE-416 - Use After Free
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/msgpack/msgpack-python/securit… | x_refsource_CONFIRM |
| https://github.com/msgpack/msgpack-python/commit/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| msgpack | msgpack-python |
Affected:
< 1.2.1
|
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CVE-2026-59890 (GCVE-0-2026-59890)
Vulnerability from cvelistv5 – Published: 2026-07-08 16:02 – Updated: 2026-07-08 16:44
VLAI
EPSS
VEX
Title
setuptools: MANIFEST.in exclusion bypass in sdist via Unicode normalization collision (NFC/NFD) on macOS APFS/HFS+
Summary
setuptools is a package that allows users to download, build, install, upgrade, and uninstall Python packages. Prior to 83.0.0, FileList applied MANIFEST.in exclude, global-exclude, recursive-exclude, and prune directives by matching compiled glob patterns against on-disk file names without Unicode normalization, so on macOS APFS or HFS+ an NFD file name could bypass an NFC exclusion rule and be packed into a source distribution. This issue is fixed in version 83.0.0.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-08 16:44 UTC
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/pypa/setuptools/security/advis… | x_refsource_CONFIRM |
| https://github.com/pypa/setuptools/commit/dd9f436… | x_refsource_MISC |
| https://github.com/pypa/setuptools/releases/tag/v83.0.0 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pypa | setuptools |
Affected:
< 83.0.0
|
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GHSA-6V7P-G79W-8964
Vulnerability from github – Published: 2026-06-19 21:42 – Updated: 2026-06-19 21:42
VLAI
Summary
MessagePack for Python: Out-of-bounds read / crash on Unpacker reuse after a caught error
Details
Impact
If the Unpacker is used repeatedly after an error occurs, the process may crash with a SEGV.
If the Unpacker is used repeatedly to unpack untrusted input from external sources, it may be vulnerable to a DoS attack.
Patches
v1.2.1
Workarounds
Users should create a new Unpacker instead of reusing the same Unpacker after an error occurs.
Applying the above patch can prevent SEGV, but reusing the Streaming Unpacker after it has encountered an error will not yield correct data. If an error occurs during Streaming Unpacking, the Stream and Streaming Unpacker should be discarded.
Therefore, this is not just a workaround but the correct solution. The above patch only prevents crashes from incorrect usage.
Severity
7.5 (High)
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"modified": "2026-06-19T21:42:55Z",
"published": "2026-06-19T21:42:55Z",
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}
],
"summary": "MessagePack for Python: Out-of-bounds read / crash on Unpacker reuse after a caught error"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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