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Vulnerability record · CVE-2026-54725 · published 31 July 2026

CVE-2026-54725: Server-side request forgery (SSRF) vulnerability

vault-secrets-webhook is a Kubernetes mutating webhook that makes direct secret injection into Pods possible. Prior to 1.23.1, parseVaultConfig() in pkg/webhook/config.go accepts the vault.security.banzaicloud.io/vault-addr annotation, MutateConfigMap and MutateSecret call newVaultClient in pkg/webhook/webhook.go, and vault.security.banzaicloud.io/vault-serviceaccount can cause a ServiceAccount JWT to be sent to an attacker-controlled Vault address. This issue is fixed in version 1.23.1.

9.6 CVSS 3.1 Critical EPSS 0.45% · top 63.5% CWE-918 · Server-side request forgery (SSRF) Deferred
9.6CVSS 3.1 base score
0.45%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
10 Sep 2026Last modified by NVD

Description

vault-secrets-webhook is a Kubernetes mutating webhook that makes direct secret injection into Pods possible. Prior to 1.23.1, parseVaultConfig() in pkg/webhook/config.go accepts the vault.security.banzaicloud.io/vault-addr annotation, MutateConfigMap and MutateSecret call newVaultClient in pkg/webhook/webhook.go, and vault.security.banzaicloud.io/vault-serviceaccount can cause a ServiceAccount JWT to be sent to an attacker-controlled Vault address. This issue is fixed in version 1.23.1.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

References

LinkTags
https://github.com/bank-vaults/vault-secrets-webhook/commit/76db45976fee0f54cafd94dffa425e6b542f65a0
https://github.com/bank-vaults/vault-secrets-webhook/releases/tag/v1.23.1
https://github.com/bank-vaults/vault-secrets-webhook/security/advisories/GHSA-r2v3-8gwf-7ghm
https://github.com/bank-vaults/vault-secrets-webhook/security/advisories/GHSA-r2v3-8gwf-7ghm

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Source: NIST National Vulnerability Database (record CVE-2026-54725), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.