CVE-2026-82521

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.30% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 21.9% of scored records. A rank, not a probability.

NVD base score

6.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/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

NVD analysis status

Received. NVD last modified this record on 2026-09-03.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-09-03 20:41Z1 DAY AGO

Last updated

2026-09-03 20:41Z1 DAY AGO

Reserved

2026-08-29

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Weaknesses

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')Base

Data version

5.2

Document digest

faf5eed6bec2a318b8e64fa7d7f88c04c640bdc13412dc92652f1b0d9eeb4d80

• github.comGitHub Security Advisory (GHSA-c284-w5m6-jhjm)https://github.com/domainaware/parsedmarc/security/advisories/GHSA-c284-w5m6-jhjmvendor-advisory
• github.comRelease Noteshttps://github.com/domainaware/parsedmarc/releases/tag/11.0.1release-notespatch
• www.vulncheck.comhttps://www.vulncheck.com/advisories/parsedmarc-path-traversal-via-forensic-report-subjectthird-party-advisory