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CVE-2026-33139

26
FAUCET Score

CVE-2026-33139 identifies a security validation bypass in PySpector versions 0.1.6 and prior, enabling malicious plugins to execute arbitrary system commands on a user's machine. Rated 7.8 HIGH (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H), this vulnerability carries a high impact on confidentiality, integrity, and availability, requiring user interaction to load a specially crafted plugin. Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion, and its EPSS score indicates a very low probability of exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.1.7CPE matchmatch criteria
cpe:2.3:a:parzivalhack:pyspector:*:*:*:*:*:python:*:*

CVSS Data

CVSS version used by this source: 4.0

8.3HIGH

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
LOW
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.17%
Probability of exploitation in next 30 days
EPSS Percentile
6.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0017 is in the 5th percentile among its peer group of 11,621 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

pippatch availablevia ghsa
Product: pyspectorFixed in: 0.1.7
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

pipGHSA-v3xv-8vc3-h2m6high

PySpector has a Plugin Sandbox Bypass leads to Arbitrary Code Execution

Mar 18, 2026

References

github.com / ParzivalHack/PySpector/security/advisories/GHSA-v3xv-8vc3-h2m6
ExploitVendor Advisory