CVE-2026-93421

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

0.52% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 44.3% of scored records. A rank, not a probability.

NVD base score

5.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-09-30.

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

2026-09-23 18:59Z1 MO AGO

Last updated

2026-09-23 19:41Z1 MO AGO

Reserved

2026-09-17

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.3)

CNA CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Weaknesses

• CWE-117Improper Output Neutralization for LogsBase
• CWE-150Improper Neutralization of Escape, Meta, or Control SequencesVariant

Data version

5.2

Document digest

989a8d3ca09bbb483d288471b13e79707edca485d4bd8a890f44cf5e810cf090

• github.comhttps://github.com/mesop-dev/mesop/security/advisories/GHSA-g7f6-rxc4-qhphx_refsource_CONFIRM
• github.comhttps://github.com/mesop-dev/mesop/pull/1397x_refsource_MISC
• github.comhttps://github.com/mesop-dev/mesop/commit/f38c42a1d3eba246941ef8d7f645072d53c58785x_refsource_MISC
• github.comhttps://github.com/mesop-dev/mesop/releases/tag/v1.3.4x_refsource_MISC