CVE-2026-48522

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 12.6% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-10-26.

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

2026-05-28 15:00Z5 MO AGO

Last updated

2026-06-02 15:47Z4 MO AGO

Reserved

2026-05-21

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.2)

CNA CVSS vector

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

Weaknesses

• CWE-441Unintended Proxy or Intermediary ('Confused Deputy')Class
• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.2

Document digest

6f17e58f2ed4e352980eecd1c86ca5b0e0f2720446b77affb8181af7db681a6a

• github.comhttps://github.com/jpadilla/pyjwt/security/advisories/GHSA-993g-76c3-p5m4x_refsource_CONFIRM