CVE-2026-45159

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

0.20% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 10.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-07-22.

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

2026-06-01 16:39Z4 MO AGO

Last updated

2026-06-01 19:30Z4 MO AGO

Reserved

2026-05-08

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Low (CVSS 3.5)

CNA CVSS vector

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

Weaknesses

• CWE-639Authorization Bypass Through User-Controlled KeyBase

Data version

5.2

Document digest

7879deac51e929334f8d6df80438c65bf0710c083260578b23f89058c1637d67

• github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-p3qw-7gwx-wg24x_refsource_CONFIRM
• github.comhttps://github.com/nextcloud/end_to_end_encryption/pull/1395x_refsource_MISC
• hackerone.comhttps://hackerone.com/reports/3304830x_refsource_MISC