CVE-2026-65627

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 16.0% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

Deferred. NVD last modified this record on 2026-10-27.

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

2026-10-26 19:53Z2 DAYS AGO

Last updated

2026-10-26 19:53Z2 DAYS AGO

Reserved

2026-07-22

Assigning CNA

EEF

Record state

PUBLISHED

Severity

Medium (CVSS 6.9)

CNA CVSS vector

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

Weaknesses

• CWE-409Improper Handling of Highly Compressed Data (Data Amplification)Base

Data version

5.2

Document digest

81cf6e936f1980ac32c4468f6f08c5dbfce7650aa1ab0c00cf1b880efe355484

• github.comhttps://github.com/potatosalad/erlang-jose/security/advisories/GHSA-wfpv-qxp8-x5gmvendor-advisoryrelated
• cna.erlef.orgEEF CNA record for CVE-2026-65627https://cna.erlef.org/cves/CVE-2026-65627.htmlrelated
• osv.devOSV record EEF-CVE-2026-65627https://osv.dev/vulnerability/EEF-CVE-2026-65627related
• github.comIntroducing commit a7746ec in potatosalad/erlang-josehttps://github.com/potatosalad/erlang-jose/commit/a7746ecd4950f85a393136e449a91dac62b5c429related
• github.comFix commit 857eb8e in potatosalad/erlang-josehttps://github.com/potatosalad/erlang-jose/commit/857eb8e7f2d33e2c9ca2189e77226561cacaf2adpatch