CVE-2026-40255

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 15.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

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

2026-04-16 22:25Z6 MO AGO

Last updated

2026-04-17 18:43Z6 MO AGO

Reserved

2026-04-10

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.1)

CNA CVSS vector

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

Weaknesses

• CWE-601URL Redirection to Untrusted Site ('Open Redirect')Base

Data version

5.2

Document digest

59614b8b00b759dec8387ddce69bd4be3a85ae50ac44f86031f21eee4b0ea485

• github.comhttps://github.com/adonisjs/http-server/security/advisories/GHSA-6qvv-pj99-48qmx_refsource_CONFIRM
• github.comhttps://github.com/adonisjs/http-server/commit/2008fb6cf4f6f1c0ca5797d57def4d93e1c3de08x_refsource_MISC
• github.comhttps://github.com/adonisjs/http-server/releases/tag/v7.8.1x_refsource_MISC
• github.comhttps://github.com/adonisjs/http-server/releases/tag/v8.2.0x_refsource_MISC