synced 11 MIN AGO
01 Record

CVE-2026-116584

Seroval `fromJSON`/`fromCrossJSON` denial of service via unvalidated array node length

HighPUBLISHEDCNA: GitHub_M
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

02 Description

Seroval `fromJSON`/`fromCrossJSON` denial of service via unvalidated array node length

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.36% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 30.1% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Deferred. NVD last modified this record on 2026-10-26.
Red Hat severity
Important. 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.

04 Metadata

Published
2026-10-26 20:52Z2 DAYS AGO
Last updated
2026-10-26 20:52Z2 DAYS AGO
Reserved
2026-10-26
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-770Allocation of Resources Without Limits or ThrottlingBase
  • CWE-130Improper Handling of Length Parameter InconsistencyBase
Data version
5.2
Document digest
9fa57260e86e5da9403f204cb4f8eed36389dd983099eb54f5faf71a5e121886

05 Affected products

VendorProductVersionsPlatforms
lxsmnsycseroval>= 1.4.1, < 1.6.8—

06 References