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01 Record

CVE-2026-44477

CloudNativePG: Metrics exporter allows privilege escalation to PostgreSQL superuser and OS RCE

CriticalPUBLISHEDCNA: GitHub_M
CNA base score9.4 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
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02 Description

CloudNativePG: Metrics exporter allows privilege escalation to PostgreSQL superuser and OS RCE

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.
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
0.48% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 41.1% of scored records. A rank, not a probability.
NVD base score
9.4 (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:H/SI:H/SA:H/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
Modified. NVD last modified this record on 2026-07-15.
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
2026-05-28 15:46Z5 MO AGO
Last updated
2026-07-15 00:54Z3 MO AGO
Reserved
2026-05-06
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
Critical (CVSS 9.4)
CNA CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Weaknesses
  • CWE-250Execution with Unnecessary PrivilegesBase
  • CWE-271Privilege Dropping / Lowering ErrorsClass
  • CWE-426Untrusted Search PathBase
Data version
5.2
Document digest
07598fac833024b62940951b9e32ab6a07ecce5a585f30620ac68d0789c4ea91

05 Affected products

VendorProductVersionsPlatforms
cloudnative-pgcloudnative-pg< 1.28.3, >= 1.29.0, < 1.29.1—

06 References