CVE-2026-42261

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

0.23% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 14.5% of scored records. A rank, not a probability.

NVD base score

7.1 (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:H/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

2026-05-08 03:11Z5 MO AGO

Last updated

2026-05-11 18:11Z5 MO AGO

Reserved

2026-04-26

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

High (CVSS 7.1)

CNA CVSS vector

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

Weaknesses

• CWE-20Improper Input ValidationClass
• CWE-693Protection Mechanism FailurePillar
• CWE-918Server-Side Request Forgery (SSRF)Base

Data version

5.2

Document digest

30edc41334023ed038f3f415a6eded74c563ed52a6d8f280424cac9a4e252411

• github.comhttps://github.com/legeling/PromptHub/security/advisories/GHSA-9fhh-fjfg-5mr6x_refsource_CONFIRM
• github.comhttps://github.com/legeling/PromptHub/releases/tag/v0.5.4x_refsource_MISC