VulnSocial

CVE-2026-41140Disclosure

LOWCVSS 0.6 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall() function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path traversal protection on Python versions where tarfile.data_filter is unavailable. Considering only Python versions which are still supported by Poetry, these are 3.10.0 - 3.10.12 and 3.11.0 - 3.11.4. This vulnerability is fixed in 2.3.4.

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0.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-22

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-04-24); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-24: 1Mentions · 2026-06-04: 1Patch / Workaround · 2026-04-24: 1Technical Details · 2026-04-24: 1Technical Details · 2026-06-04: 104-2406-04
Signal classification1 categories
Disclosure
2100.0%
Referenced assets2 URLs
Full discourse2 posts
  • WindowsForum@windowsforum
    Disclosure

    🪟 Poetry tar extraction path traversal (CVE-2026-41140) = your CI can be “helpfully” redirected by a crafted archive. Supply-chain bugs don’t need kernels, just automation. #Windows #Microsoft #Security #CVE #DevOps #Python #Poetry https://windowsforum.com/threads/cve-2026-41140-poetry-path-traversal-in-source-tar-extracts-explained-for-windows.422522/?utm_source=x&utm_medium=social&utm_campaign=news_node84 #SupplyChainRisk https://t.co/kbjiCu7ROi

    Post summary

    The tweet announces a path‑traversal vulnerability in Poetry’s tar extraction used in CI environments, but does not provide a PoC, exploit code, or patch information.

    0000046
    1.1K followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-41140 Poetry is a dependency manager for Python. Prior to 2.3.4, the extractall() function in src/poetry/utils/helpers.py:410-426 extracts sdist tarballs without path trave… https://www.cve.org/CVERecord?id=CVE-2026-41140

    Post summary

    The post notes a path‑traversal vulnerability in Poetry’s extractall() prior to version 2.3.4, indicating that upgrading to 2.3.4 should mitigate the issue.

    0000042
    57.2K followersView on X

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