CVE-2026-70657

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

0.33% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 26.0% of scored records. A rank, not a probability.

NVD base score

4.3 (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:N

NVD analysis status

Deferred. NVD last modified this record on 2026-10-22.

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

2026-08-18 14:59Z2 MO AGO

Last updated

2026-08-19 16:19Z2 MO AGO

Reserved

2026-08-04

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.3)

CNA CVSS vector

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

Weaknesses

• CWE-863Incorrect AuthorizationClass

Data version

5.2

Document digest

d628b6347057e30917ea3f8731bb472fa893555acd57b3e1b0ccf9ed9a03fd11

• github.comhttps://github.com/9001/copyparty/security/advisories/GHSA-x5pq-m9p8-f4vxx_refsource_CONFIRM
• github.comhttps://github.com/9001/copyparty/commit/e40755331ba9449993ff482456e6bdd2c6deb950x_refsource_MISC
• github.comhttps://github.com/9001/copyparty/releases/tag/v1.20.17x_refsource_MISC