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🛡️ CVE-2026-41168 on PyPI (Root.io) — pypdf

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV
5.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-41168 in pypdf - Patched by Root

Root has patched CVE-2026-41168 in the pypdf package for Root:PyPI. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-41168 as tracked by PyPI (Root.io), for the package pypdf. The fix is available in version 6.6.0+aikido.15; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality none, integrity none, availability low. (rating taken from the base CVE record.)

CVSS metrics in full

The score comes from this vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

  • Attack vector: Local — a local account, shell or session on the host is needed.
  • Attack complexity: Low — the attack works reliably, with no preparation.
  • Attack requirements: None — no deployment-specific condition has to hold.
  • Privileges required: None — an unauthenticated stranger can try it.
  • User interaction: Passive — a victim action is involved, but not a deliberate one.
  • Confidentiality impact: None.
  • Integrity impact: None.
  • Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

ROOT-APP-PYPI-CVE-2026-41168 is classified as CWE-834: Excessive Iteration. A loop can be driven to run far longer than intended, tying up the process.

Affected software

ROOT-APP-PYPI-CVE-2026-41168 is recorded against 2 packages.

  • pypdf (fixed in 6.6.0+aikido.15)
  • rootio-pypdf (fixed in 6.6.0+root.io.11)

Timeline and source

Published on 14 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

Other advisories for this package

pypdf has other advisories on record. If you are patching this one, these are worth checking on the same host:

Same weakness in other software

These advisories are the same class of weakness (CWE-834: Excessive Iteration) in other software:

CVE-2026-41168 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.0
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-08-14
Updated 2026-08-20
Modified 2026-08-14
Fix URL N/A

Affected Packages

Software From version Fixed in
pypdf — 6.6.0+aikido.15
rootio-pypdf — 6.6.0+root.io.11

References

N/A

Vulnerability Monitoring

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ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the vulnerabilities listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.

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