CVE-2026-46383Disclosure

LOWCVSS 5.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

Microsoft APM is an open-source, community-driven dependency manager for AI agents. Prior to 0.13.0, Microsoft APM contains a Windows-specific archive extraction boundary failure in the legacy-bundle probe used by apm install <bundle> on supported Python 3.10 and 3.11 runtimes. When apm install is given a local .tar.gz that is not recognized as a plugin-format bundle, APM probes whether it is a legacy --format apm bundle. On Python versions earlier than 3.12, that probe extracts untrusted tar members with raw tar.extractall() without rejecting Windows absolute member names such as D:/.... This vulnerability is fixed in 0.13.0.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-22CWE-73

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

Technical details provided in 1 signal
Disclosure: 1 classified signal
1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Signal classification1 categories

Disclosure

1100.0%

Referenced assets1 URL

By indicator

https://ift.tt/9H0RWXD

Full discourse1 post

Israel@f1tym1147d
Disclosure
CVE-2026-46383 | Microsoft apm up to 0.12.x Archive Extraction tar.extractall path traversal (GHSA-mq5j-pw29-jcv3) https://ift.tt/9H0RWXD A vulnerability described as critical has been identified in Microsoft apm up to 0.12.x. The affected element is the function tar.extractal…
Post summary
A critical path traversal vulnerability (CVE‑2026‑46383) in Microsoft apm up to 0.12.x affecting tar.extractall is reported, with a link to further details.
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