CVE-2026-68553

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

0.48% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 41.1% of scored records. A rank, not a probability.

NVD base score

7.1 (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:L/I:N/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2026-08-19 20:37Z2 MO AGO

Last updated

2026-08-20 19:48Z2 MO AGO

Reserved

2026-07-30

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-134Use of Externally-Controlled Format StringBase

Data version

5.2

Document digest

844aee6c7b8a0836cce35f5223f312e5bb7ff8fe1744054351ec2816292e6700

• github.comhttps://github.com/coturn/coturn/security/advisories/GHSA-4g7c-p5wg-j4hpx_refsource_CONFIRM
• github.comhttps://github.com/coturn/coturn/commit/8fa38032bb4751e11e072d65a8eca3c06c950979x_refsource_MISC
• github.comhttps://github.com/coturn/coturn/releases/tag/4.13.0x_refsource_MISC