CVE-2026-54909

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.
• AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
• 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

0.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 50.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-23.

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

2026-07-31 22:03Z2 MO AGO

Last updated

2026-08-03 17:30Z2 MO AGO

Reserved

2026-06-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass

Data version

5.2

Document digest

ca7e587d60ef2d85572eb3c3f1553b12e85a80b5a33f808b2d58e9d1c34278f9

• github.comhttps://github.com/pion/stun/security/advisories/GHSA-34rh-wp3j-6cxcx_refsource_CONFIRM
• github.comhttps://github.com/pion/stun/pull/278x_refsource_MISC
• github.comhttps://github.com/pion/stun/commit/fa9f074a33a8059c76c960b1fbee39f308002423x_refsource_MISC
• github.comhttps://github.com/pion/stun/releases/tag/v3.1.3x_refsource_MISC