CVE-2026-55165

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

0.13% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 2.7% of scored records. A rank, not a probability.

NVD base score

4.8 (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:L/I:L/A:N

NVD analysis status

Received. NVD last modified this record on 2026-08-18.

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 18:49Z16 DAYS AGO

Last updated

2026-08-18 19:35Z16 DAYS AGO

Reserved

2026-06-16

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

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

Weaknesses

• CWE-347Improper Verification of Cryptographic SignatureBase

Data version

5.2

Document digest

9334aa8bdfbc358eeca23a11c2ea9c60a33816a7f002b76d9b10274b26a2611d

• github.comhttps://github.com/Netflix/lemur/security/advisories/GHSA-r9gp-7f88-9r54x_refsource_CONFIRM
• github.comhttps://github.com/Netflix/lemur/commit/89898e665beed044cf7bd5927dfaa484e55bf242x_refsource_MISC
• github.comhttps://github.com/Netflix/lemur/releases/tag/v1.9.2x_refsource_MISC