CVE-2026-59247

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.6% of scored records. A rank, not a probability.

NVD base score

7.6 (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:P/VC:H/VI:H/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

Deferred. NVD last modified this record on 2026-07-30.

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

2026-07-29 14:24Z1 MO AGO

Last updated

2026-07-30 04:15Z1 MO AGO

Reserved

2026-07-04

Assigning CNA

EEF

Record state

PUBLISHED

Severity

High (CVSS 7.6)

CNA CVSS vector

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

Weaknesses

• CWE-345Insufficient Verification of Data AuthenticityClass

Data version

5.2

Document digest

c63df8ba83083477aae444179d9f5285a9639a30d349a38dfea508baa54065f7

• github.comhttps://github.com/gleam-lang/gleam/security/advisories/GHSA-4vvc-458m-r82gvendor-advisoryrelated
• cna.erlef.orghttps://cna.erlef.org/cves/CVE-2026-59247.htmlrelated
• osv.devhttps://osv.dev/vulnerability/EEF-CVE-2026-59247related
• github.comhttps://github.com/gleam-lang/gleam/commit/c9c0d48c123c8abae6db8dd61b25ccb427ed3d35patch
• github.comhttps://github.com/hexpm/specifications/blob/main/registry-v2.mdrelated