PyPIPackage

mesop

6 known vulnerabilities (2 critical, 3 high, 1 medium), with the versions each affects and the releases that fix them.

Latest release: 1.3.7 (Sep 26, 2026): no advisory affects it
Newest unaffected release: 1.3.7 (Sep 26, 2026), the latest release
Advisories: 6 · 2 critical, 3 high, 1 medium

Weekly downloads: 2,186
Dependents: 7
Releases: 108 since 0.0.1 (Dec 13, 2023)
Registry: PyPI
Releases read: Nov 8, 2026

Version timeline

CVE-2026-93421
Affects 0.0.1 to 1.3.3 (1.3.4 is outside it)
CVE-2026-34824
Affects 1.2.3 to 1.2.5rc1 (1.2.5 is outside it)
CVE-2026-33057
Affects 0.0.1 to 1.2.2 (1.2.3 is outside it)
CVE-2026-33054
Affects 0.0.1 to 1.2.2 (1.2.3 is outside it)
CVE-2025-30358
Affects 0.0.1 to 0.14.1rc1 (0.14.1 is outside it)
CVE-2024-45601
Affects 0.9.0 to 0.12.4rc0 (0.12.4 is outside it)

Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 6

CVE-2026-93421Medium 5.3
Mesop: Unauthenticated ANSI Escape Sequence Injection in CSP Reporting Endpoint
Affected: fixed in 1.3.4.
Fixed in 1.3.4 (released Aug 1, 2026, 53 days before disclosure).
The latest release, 1.3.7, is not affected.
CVE-2026-34824High 7.5
Mesop: Unbounded Thread Creation in WebSocket Handler Leads to Denial of Service
Affected: from 1.2.3, fixed in 1.2.5.
Fixed in 1.2.5 (released Mar 31, 2026, 3 days before disclosure).
The latest release, 1.3.7, is not affected.
CVE-2026-33057Critical 9.8
Mesop Affected by Unauthenticated Remote Code Execution via Test Suite Route /exec-py
Affected: fixed in 1.2.3.
Fixed in 1.2.3 (released Mar 16, 2026, 4 days before disclosure).
The latest release, 1.3.7, is not affected.
CVE-2026-33054Critical 10.0
Mesop: Path Traversal utilizing `FileStateSessionBackend` leads to Application Denial of Service and File Write/Deletion
Affected: fixed in 1.2.3.
Fixed in 1.2.3 (released Mar 16, 2026, 4 days before disclosure).
The latest release, 1.3.7, is not affected.
CVE-2025-30358High 8.1
Mesop Class Pollution vulnerability leads to DoS and Jailbreak attacks
Affected: fixed in 0.14.1.
Fixed in 0.14.1 (released Jan 3, 2025, 83 days before disclosure).
The latest release, 1.3.7, is not affected.
CVE-2024-45601High 7.5
Local file Inclusion via static file serving functionality in Mesop
Affected: from 0.9.0, fixed in 0.12.4.
Fixed in 0.12.4 (released Sep 11, 2024, 7 days before disclosure).
The latest release, 1.3.7, is not affected.