PatchTheCVECVE-2026-34977: Aperi'Solve is an open-source steganalysis web platform
CVE-2026-34977 is a critical-severity flaw (CVSS 9.8) affecting aperisolve. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 requ
Why this priority
- Critical severity
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.2% (top 33%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2026-04-06 |
| Last modified | 2026-10-23 |
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Exact fixes by distribution
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Write-up: github.com/Zeecka/AperiSolve/pull/195
- Write-up: github.com/Zeecka/AperiSolve/security/advisories/GHSA-8r22-62p7-9jrp
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.