CVE-2026-52739

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

0.51% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 43.6% of scored records. A rank, not a probability.

NVD base score

5.9 (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:N/I:N/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-09-09.

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

2026-08-18 19:22Z2 MO AGO

Last updated

2026-08-19 18:20Z2 MO AGO

Reserved

2026-06-08

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.9)

CNA CVSS vector

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

Weaknesses

• CWE-248Uncaught ExceptionBase

Data version

5.2

Document digest

22aa6e67c1a734c31fbadbd30360ae7c0913bc018bd8ef4ce41b9d10d38f4ea2

• github.comhttps://github.com/ZcashFoundation/zebra/security/advisories/GHSA-hhm7-qrv5-h4r6x_refsource_CONFIRM
• github.comhttps://github.com/ZcashFoundation/zebra/commit/1440b43ca7df59aca948090d45117557b217a6cdx_refsource_MISC
• github.comhttps://github.com/ZcashFoundation/zebra/releases/tag/v4.5.0x_refsource_MISC