CVE-2026-55765 (GCVE-0-2026-55765)
Vulnerability from cvelistv5 – Published: 2026-08-20 21:38 – Updated: 2026-08-25 15:29
VLAI
EPSS
VEX
Title
CloudNativePG: Cleartext role passwords recorded in pg_stat_statements allow privileged tenant roles to recover the PostgreSQL superuser credential and achieve RCE in the database pod
Summary
CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.28.4 and 1.29.2, CloudNativePG embedded cleartext role passwords in `ALTER ROLE` and `CREATE ROLE` statements generated by SetUserPassword in pkg/management/postgres/utils/roles.go and appendPasswordOption in internal/management/controller/roles/postgres.go. When pg_stat_statements was preloaded with track_utility enabled and an untrusted tenant held pg_monitor or pg_read_all_stats, the tenant could recover platform-managed superuser or application-owner passwords, reconnect through enabled superuser TCP access, and execute operating system commands in the database pod with `COPY ... FROM PROGRAM`. Clusters using SCRAM-SHA-256 verifiers in managed-role Secrets were not affected. This issue is fixed in versions 1.28.4, 1.29.2, and 1.30.0.
Severity
8.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-25 15:29 UTC
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_CONFIRM |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
| https://github.com/cloudnative-pg/cloudnative-pg/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| cloudnative-pg | cloudnative-pg |
Affected:
< 1.28.4
Affected: >= 1.29.0, < 1.29.2 |
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-55765",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-25T15:29:09.334896Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-25T15:29:20.264Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "cloudnative-pg",
"vendor": "cloudnative-pg",
"versions": [
{
"status": "affected",
"version": "\u003c 1.28.4"
},
{
"status": "affected",
"version": "\u003e= 1.29.0, \u003c 1.29.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.28.4 and 1.29.2, CloudNativePG embedded cleartext role passwords in `ALTER ROLE` and `CREATE ROLE` statements generated by SetUserPassword in pkg/management/postgres/utils/roles.go and appendPasswordOption in internal/management/controller/roles/postgres.go. When pg_stat_statements was preloaded with track_utility enabled and an untrusted tenant held pg_monitor or pg_read_all_stats, the tenant could recover platform-managed superuser or application-owner passwords, reconnect through enabled superuser TCP access, and execute operating system commands in the database pod with `COPY ... FROM PROGRAM`. Clusters using SCRAM-SHA-256 verifiers in managed-role Secrets were not affected. This issue is fixed in versions 1.28.4, 1.29.2, and 1.30.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-256",
"description": "CWE-256: Plaintext Storage of a Password",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-522",
"description": "CWE-522: Insufficiently Protected Credentials",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-20T21:38:47.952Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/pull/10724",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/pull/10724"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0"
}
],
"source": {
"advisory": "GHSA-w3gf-xc94-wvmj",
"discovery": "UNKNOWN"
},
"title": "CloudNativePG: Cleartext role passwords recorded in pg_stat_statements allow privileged tenant roles to recover the PostgreSQL superuser credential and achieve RCE in the database pod"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-55765",
"datePublished": "2026-08-20T21:38:47.952Z",
"dateReserved": "2026-06-17T14:34:51.880Z",
"dateUpdated": "2026-08-25T15:29:20.264Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2026-55765",
"date": "2026-10-01",
"epss": "0.005",
"percentile": "0.40575"
},
"nvd": {
"cve": {
"affected": [
{
"affectedData": [
{
"product": "cloudnative-pg",
"vendor": "cloudnative-pg",
"versions": [
{
"status": "affected",
"version": "\u003c 1.28.4"
},
{
"status": "affected",
"version": "\u003e= 1.29.0, \u003c 1.29.2"
}
]
}
],
"source": "security-advisories@github.com"
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.28.4 and 1.29.2, CloudNativePG embedded cleartext role passwords in `ALTER ROLE` and `CREATE ROLE` statements generated by SetUserPassword in pkg/management/postgres/utils/roles.go and appendPasswordOption in internal/management/controller/roles/postgres.go. When pg_stat_statements was preloaded with track_utility enabled and an untrusted tenant held pg_monitor or pg_read_all_stats, the tenant could recover platform-managed superuser or application-owner passwords, reconnect through enabled superuser TCP access, and execute operating system commands in the database pod with `COPY ... FROM PROGRAM`. Clusters using SCRAM-SHA-256 verifiers in managed-role Secrets were not affected. This issue is fixed in versions 1.28.4, 1.29.2, and 1.30.0."
}
],
"id": "CVE-2026-55765",
"lastModified": "2026-09-18T20:09:01.757",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 1.8,
"impactScore": 6.0,
"source": "security-advisories@github.com",
"type": "Secondary"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2026-55765",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-25T15:29:09.334896Z",
"version": "2.0.3"
}
}
]
},
"published": "2026-08-20T22:17:22.487",
"references": [
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/pull/10724"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0"
},
{
"source": "security-advisories@github.com",
"url": "https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj"
}
],
"sourceIdentifier": "security-advisories@github.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-256"
},
{
"lang": "en",
"value": "CWE-522"
}
],
"source": "security-advisories@github.com",
"type": "Secondary"
}
]
}
},
"vulnrichment": {
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-55765",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-25T15:29:09.334896Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-25T15:29:15.487Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "cloudnative-pg",
"vendor": "cloudnative-pg",
"versions": [
{
"status": "affected",
"version": "\u003c 1.28.4"
},
{
"status": "affected",
"version": "\u003e= 1.29.0, \u003c 1.29.2"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "CloudNativePG is a platform designed to manage PostgreSQL databases within Kubernetes environments. Prior to 1.28.4 and 1.29.2, CloudNativePG embedded cleartext role passwords in `ALTER ROLE` and `CREATE ROLE` statements generated by SetUserPassword in pkg/management/postgres/utils/roles.go and appendPasswordOption in internal/management/controller/roles/postgres.go. When pg_stat_statements was preloaded with track_utility enabled and an untrusted tenant held pg_monitor or pg_read_all_stats, the tenant could recover platform-managed superuser or application-owner passwords, reconnect through enabled superuser TCP access, and execute operating system commands in the database pod with `COPY ... FROM PROGRAM`. Clusters using SCRAM-SHA-256 verifiers in managed-role Secrets were not affected. This issue is fixed in versions 1.28.4, 1.29.2, and 1.30.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-256",
"description": "CWE-256: Plaintext Storage of a Password",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-522",
"description": "CWE-522: Insufficiently Protected Credentials",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-20T21:38:47.952Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/security/advisories/GHSA-w3gf-xc94-wvmj"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/pull/10724",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/pull/10724"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/2f0342747e1f160425b9d51753c0069b0d6117d5"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/3cd5af5d388c26758acf13c19ea806b4bcebb3fe"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/commit/9a13573dbe3d78721b7ea92141e6d2324a2c0ef0"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.28.4"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.29.2"
},
{
"name": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cloudnative-pg/cloudnative-pg/releases/tag/v1.30.0"
}
],
"source": {
"advisory": "GHSA-w3gf-xc94-wvmj",
"discovery": "UNKNOWN"
},
"title": "CloudNativePG: Cleartext role passwords recorded in pg_stat_statements allow privileged tenant roles to recover the PostgreSQL superuser credential and achieve RCE in the database pod"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-55765",
"datePublished": "2026-08-20T21:38:47.952Z",
"dateReserved": "2026-06-17T14:34:51.880Z",
"dateUpdated": "2026-08-25T15:29:20.264Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
Loading…