CVE-2026-107723

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.45% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.2% of scored records. A rank, not a probability.

NVD base score

8.1 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

NVD analysis status

Deferred. NVD last modified this record on 2026-10-14.

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

2026-10-08 21:51Z20 DAYS AGO

Last updated

2026-10-14 01:25Z15 DAYS AGO

Reserved

2026-10-08

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 8.1)

CNA CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Weaknesses

• CWE-1287Improper Validation of Specified Type of InputBase

Data version

5.2

Document digest

2133bc732e6de7481768e322c258d226551fb43bedbea3cce52b9707d2019c1e

• github.comhttps://github.com/nearform/fast-jwt/security/advisories/GHSA-5hjw-83fp-phq9x_refsource_CONFIRM
• github.comhttps://github.com/nearform/fast-jwt/pull/639x_refsource_MISC
• github.comhttps://github.com/nearform/fast-jwt/commit/86e83efd8b5244f50859532d99244f0a9a9a4368x_refsource_MISC
• github.comhttps://github.com/nearform/fast-jwt/releases/tag/v6.3.0x_refsource_MISC