01 Record
CVE-2026-56747
Code Injection in JSON Pointer Processing Component in Cribl Stream
HighPUBLISHEDCNA: Cribl
CNA base score8.7 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
02 Description
Code Injection in JSON Pointer Processing Component in Cribl Stream
03 Exploitation and scoring
- 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 ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.66% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 51.4% of scored records. A rank, not a probability.
- NVD base score
- 8.7 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/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 2026-10-24.
- 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.
04 Metadata
- Published
- 2026-07-27 19:22Z3 MO AGO
- Last updated
- 2026-07-27 20:23Z3 MO AGO
- Reserved
- 2026-06-22
- Assigning CNA
- Cribl
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.7)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- Weaknesses
- CWE-94Improper Control of Generation of Code ('Code Injection')Base
- Data version
- 5.2
- Document digest
- a50f42e22d69736b1ee9e62fc2e7f299cf18cfadb3626af2fe395244c2a0079b
05 Affected products
VendorProductVersionsPlatforms
06 References
- docs.cribl.ioCribl Stream 4.18.2 Security Fixeshttps://docs.cribl.io/stream/release-notes/release-v4182/#security-fixes
- trust.cribl.ioCribl Trust Portalhttps://trust.cribl.io/notifications
07 Remediation
Upgrade Cribl Stream to v4.18.2 or higher. Upgrading fully resolves this vulnerability and no additional mitigation is required.