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Backport of edit: security changelog into release/1.22.x #23000

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2 changes: 1 addition & 1 deletion .changelog/22850.txt
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```release-note:security
security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks. This resolves [CVE-2025-11392](https://nvd.nist.gov/vuln/detail/CVE-2025-11392).
security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks on misconfigured or missing ACL policies.
```
16 changes: 8 additions & 8 deletions CHANGELOG.md
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Expand Up @@ -4,9 +4,9 @@ SECURITY:

* connect: Upgrade Consul's bundled Envoy version to 1.35.3 and remove support for 1.31.10. This update also includes a fix to prevent Envoy (v1.35+) startup failures by only configuring the TLS transport socket when the CA bundle is present. [[GH-22824](https://github.com/hashicorp/consul/issues/22824)]
* security: Adding warning when remote/local script checks are enabled without enabling ACL's [[GH-22877](https://github.com/hashicorp/consul/issues/22877)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374]() [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374](https://nvd.nist.gov/vuln/detail/CVE-2025-11374) [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: adding a maximum Content-Length on the event endpoint to fix denial-of-service (DoS) attacks. This resolves [CVE-2025-11375](https://nvd.nist.gov/vuln/detail/CVE-2025-11375). [[GH-22836](https://github.com/hashicorp/consul/issues/22836)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks. This resolves [CVE-2025-11392](https://nvd.nist.gov/vuln/detail/CVE-2025-11392). [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks on misconfigured or missing ACL policies. [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]

FEATURES:

Expand Down Expand Up @@ -47,9 +47,9 @@ SECURITY:

* connect: Upgrade Consul's bundled Envoy version to 1.35.3 and remove support for 1.31.10. This update also includes a fix to prevent Envoy (v1.35+) startup failures by only configuring the TLS transport socket when the CA bundle is present. [[GH-22824](https://github.com/hashicorp/consul/issues/22824)]
* security: Adding warning when remote/local script checks are enabled without enabling ACL's [[GH-22877](https://github.com/hashicorp/consul/issues/22877)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374]() [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374](https://nvd.nist.gov/vuln/detail/CVE-2025-11374) [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: adding a maximum Content-Length on the event endpoint to fix denial-of-service (DoS) attacks. This resolves [CVE-2025-11375](https://nvd.nist.gov/vuln/detail/CVE-2025-11375). [[GH-22836](https://github.com/hashicorp/consul/issues/22836)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks. This resolves [CVE-2025-11392](https://nvd.nist.gov/vuln/detail/CVE-2025-11392). [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks on misconfigured or missing ACL policies. [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]

FEATURES:

Expand Down Expand Up @@ -89,9 +89,9 @@ BUG FIXES:
SECURITY:

* security: Adding warning when remote/local script checks are enabled without enabling ACL's [[GH-22877](https://github.com/hashicorp/consul/issues/22877)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374]() [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374](https://nvd.nist.gov/vuln/detail/CVE-2025-11374) [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: adding a maximum Content-Length on the event endpoint to fix denial-of-service (DoS) attacks. This resolves [CVE-2025-11375](https://nvd.nist.gov/vuln/detail/CVE-2025-11375). [[GH-22836](https://github.com/hashicorp/consul/issues/22836)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks. This resolves [CVE-2025-11392](https://nvd.nist.gov/vuln/detail/CVE-2025-11392). [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks on misconfigured or missing ACL policies. [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]

BUG FIXES:

Expand All @@ -102,9 +102,9 @@ BUG FIXES:
SECURITY:

* security: Adding warning when remote/local script checks are enabled without enabling ACL's [[GH-22877](https://github.com/hashicorp/consul/issues/22877)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374]() [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: Improved validation of the Content-Length header in the Consul KV endpoint to prevent potential denial of service attacks[CVE-2025-11374](https://nvd.nist.gov/vuln/detail/CVE-2025-11374) [[GH-22916](https://github.com/hashicorp/consul/issues/22916)]
* security: adding a maximum Content-Length on the event endpoint to fix denial-of-service (DoS) attacks. This resolves [CVE-2025-11375](https://nvd.nist.gov/vuln/detail/CVE-2025-11375). [[GH-22836](https://github.com/hashicorp/consul/issues/22836)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks. This resolves [CVE-2025-11392](https://nvd.nist.gov/vuln/detail/CVE-2025-11392). [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]
* security: breaking change - adding a key name validation on the key/value endpoint along side with the DisableKVKeyValidation config to disable/enable it to fix path traversal attacks on misconfigured or missing ACL policies. [[GH-22850](https://github.com/hashicorp/consul/issues/22850)]

BUG FIXES:

Expand Down
4 changes: 2 additions & 2 deletions website/content/docs/automate/kv/store.mdx
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Expand Up @@ -89,5 +89,5 @@ Success! Deleted keys with prefix: redis
```

<Warning title="Security warning">
To mitigate vulnerability [CVE-2025-11392], Consul does not allow path escapes, directory escapes, leading spaces, or trailing spaces in keys, beginning with Consul v1.22.0. If you have any existing keys in this format and want to continue using the same keys, set the `disable_kv_key_validation` parameter to `true` in the Consul agent configuration. We strongly recommend using validated keys unless you have a specific reason to disable it for legacy compatibility.
</Warning>
By default, Consul does not allow path escapes, directory escapes, leading spaces, or trailing spaces in keys, beginning with Consul v1.22.0. If you have any existing keys in this format and want to continue using the same keys, set the `disable_kv_key_validation` parameter to `true` in the Consul agent configuration. We strongly recommend using validated keys unless you have a specific reason to disable it for legacy compatibility.
</Warning>
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