MySQL TLS/SSL error: self-signed certificate in certificate chain #80

New Issue

MrUnknownDE · 2026-04-05T20:29:44+02:00

MrUnknownDE commented

2026-04-05 20:29:44 +02:00

Originally created by @adminpass on 3/6/2026

Prerequisites

I have searched the existing Closed AND Open Issues AND Discussions
I have searched and read the documentation

Vaultwarden Support String

export DATABASE_URL=mysql://root:pass@10.0.1.11:3306/vaultwarden
export DATABASE_MIN_CONNS=2
export DATABASE_MAX_CONNS=5

and DATABASE_URL=mysql://root:pass@10.0.1.11:3306/vaultwarden?ssl_mode=DISABLED

[2026-03-06 10:00:05.237][vaultwarden::util][WARN] Can't connect to database, retrying: DieselCon.
[CAUSE] BadConnection(
"TLS/SSL error: self-signed certificate in certificate chain",
)

Vaultwarden Build Version

v1.35.4

Deployment method

Official Container Image

Custom deployment method

No response

Reverse Proxy

nginx

Host/Server Operating System

Linux

Operating System Version

alpine 3.24

Clients

Web Vault

Client Version

No response

Steps To Reproduce

↑

Expected Result

mysql TLS/SSL error

Actual Result

mysql TLS/SSL error

Logs

[2026-03-06 10:00:05.237][vaultwarden::util][WARN] Can't connect to database, retrying: DieselCon.
[CAUSE] BadConnection(
    "TLS/SSL error: self-signed certificate in certificate chain",
)

Screenshots or Videos

No response

Additional Context

No response

*Originally created by @adminpass on 3/6/2026* ### Prerequisites - [x] I have searched the existing **Closed _AND_ Open** [Issues](https://github.com/dani-garcia/vaultwarden/issues?q=is%3Aissue%20) **_AND_** [Discussions](https://github.com/dani-garcia/vaultwarden/discussions?discussions_q=) - [x] I have searched and read the [documentation](https://github.com/dani-garcia/vaultwarden/wiki/) ### Vaultwarden Support String ```ini export DATABASE_URL=mysql://root:pass@10.0.1.11:3306/vaultwarden export DATABASE_MIN_CONNS=2 export DATABASE_MAX_CONNS=5 ``` and DATABASE_URL=mysql://root:pass@10.0.1.11:3306/vaultwarden?**ssl_mode=DISABLED** [2026-03-06 10:00:05.237][vaultwarden::util][WARN] Can't connect to database, retrying: DieselCon. [CAUSE] BadConnection( "TLS/SSL error: self-signed certificate in certificate chain", ) ### Vaultwarden Build Version v1.35.4 ### Deployment method Official Container Image ### Custom deployment method _No response_ ### Reverse Proxy nginx ### Host/Server Operating System Linux ### Operating System Version alpine 3.24 ### Clients Web Vault ### Client Version _No response_ ### Steps To Reproduce ↑ ### Expected Result mysql TLS/SSL error ### Actual Result mysql TLS/SSL error ### Logs ```text [2026-03-06 10:00:05.237][vaultwarden::util][WARN] Can't connect to database, retrying: DieselCon. [CAUSE] BadConnection( "TLS/SSL error: self-signed certificate in certificate chain", ) ``` ### Screenshots or Videos _No response_ ### Additional Context _No response_

MrUnknownDE closed this issue

2026-04-05 20:29:44 +02:00

MrUnknownDE added the bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug bug labels 2026-04-05 20:29:47 +02:00

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Reference: github/vaultwarden#80