Dashboard / CVE-2026-39892

CVE-2026-39892

MEDIUM
MEDIUM Priority: 0.05 BB Relevance: 74/100
Published: 2026-04-08 Modified: 2026-11-04 First seen: 2026-11-04 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: X
AT: None
VC: None
VI: None
VA: Low

Description

cryptography is a package designed to expose cryptographic primitives and recipes to Python developers. From 45.0.0 to before 46.0.7, if a non-contiguous buffer was passed to APIs which accepted Python buffers (e.g. Hash.update()), this could lead to buffer overflows. This vulnerability is fixed in 46.0.7.

Weakness Classification (2)

Affected Software (2)

VendorProductVersion
cryptography.io cryptography 45.0.0 – 46.0.7
pyca cryptography >= 45.0.0, < 46.0.7

References & Advisories (33)

http://www.openwall.com/lists/oss-security/2026/04/08/12
Mailing List Release Notes Third Party Advisory
Showing 25 of 33 references

Bug Bounty Relevance

74 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.9 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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

EPSS — Exploitation Probability

0.68%
Raw Score 0.006770
Percentile 52.9%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00677
2026-11-13
0.00677
2026-11-12
0.00677
2026-11-10
0.00677
2026-11-09
0.00677
2026-11-08
0.00677
2026-11-07
0.00677
2026-11-06
0.00677
2026-11-05
0.00677
2026-11-04
0.00652
2026-11-03
0.00652

Intelligence Sources

mitre ref →
nvd ref →

External Links