CVE-2026-103001

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 ImpactpartialSuccessful exploitation gives limited 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

0.25% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 17.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Analyzed. NVD last modified this record on 2026-10-08.

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2026-09-30 21:15Z28 DAYS AGO

Last updated

2026-10-05 23:47Z23 DAYS AGO

Reserved

2026-09-29

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-471Modification of Assumed-Immutable Data (MAID)Base
• CWE-358Improperly Implemented Security Check for StandardBase

Data version

5.2

Document digest

48bea2e60efbf3a9ce99bec3ea9e01d6c5c3e5b0e8a6c0ebd58691a527d5b75e

• github.comhttps://github.com/jpadilla/pyjwt/security/advisories/GHSA-gvp8-978c-rx2qx_refsource_CONFIRM
• github.comhttps://github.com/jpadilla/pyjwt/issues/679x_refsource_MISC
• github.comhttps://github.com/jpadilla/pyjwt/commit/0c87c8c8b1a74cac99ad8115f3050efcb7fbed35x_refsource_MISC