CVE-2026-33246

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 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

0.14% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 4.0% of scored records. A rank, not a probability.

NVD base score

5.4 (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:L/I:L/A:N

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

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

2026-03-25 19:50Z7 MO AGO

Last updated

2026-03-28 01:42Z7 MO AGO

Reserved

2026-03-18

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.4)

CNA CVSS vector

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

Weaknesses

• CWE-287Improper AuthenticationClass
• CWE-290Authentication Bypass by SpoofingBase

Data version

5.2

Document digest

33d5887c4261d6a97ff000ea200f50fca8a3cc93b01d6d6a07aa744a24a4fde6

• github.comhttps://github.com/nats-io/nats-server/security/advisories/GHSA-55h8-8g96-x4hjx_refsource_CONFIRM
• advisories.nats.iohttps://advisories.nats.io/CVE/secnote-2026-08.txtx_refsource_MISC