CVE-2026-34944

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

0.22% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 13.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2026-04-09 18:38Z6 MO AGO

Last updated

2026-04-13 15:38Z6 MO AGO

Reserved

2026-03-31

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 4.1)

CNA CVSS vector

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

Weaknesses

• CWE-248Uncaught ExceptionBase
• CWE-466Return of Pointer Value Outside of Expected RangeBase

Data version

5.2

Document digest

bdc578450bfbb83695d29b6d8d572f477e5181d3acc4d1e1cf96e3aa84679d31

• github.comhttps://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-qqfj-4vcm-26hvx_refsource_CONFIRM