CVE-2025-67506: PipesHub is a fully extensible workplace AI platform for enterprise search and workflow automation

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-67506 is a critical-severity flaw (CVSS 9.8) affecting pipeshub. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PipesHub is a fully extensible workplace AI platform for enterprise search and workflow automation. Versions prior to 0.1.0-beta expose POST /api/v1/record/buffer/convert through missing authentication. The endpoint accepts a file upload and converts it to PDF via LibreOffice by uploading payload to os.path.join(tmpdir, file.filename) without normalizing the filename. An attacker can submit a crafted filename containing ../ sequences to write arb

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	1.8% (top 21%)
CISA exploited list	No
Weakness	CWE-22, CWE-434
Published	2025-12-10
Last modified	2026-10-14

Publisher (CNA): GitHub, Inc. · Vendor: pipeshub

Last updated 2026-10-14 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-10 01:15 UTCPublished CVE record published
2026-10-14 21:10 UTCUpdated Record last modified

pipeshub pipeshub DOWNGRADE

Affected: 0.1.0 alpha · 0.1.2 alpha · 0.1.3 alpha

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.0

1. Check installed version

apt-cache policy pipeshub || rpm -q pipeshub || pipeshub --version

2. No fixed release: DOWNGRADE to a release before 0.1.0 (Debian / Ubuntu)

apt-cache madison pipeshub sudo apt install pipeshub=<VERSION_BEFORE_0.1.0> sudo apt-mark hold pipeshub

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list pipeshub sudo dnf downgrade pipeshub-<VERSION_BEFORE_0.1.0> sudo dnf versionlock add pipeshub

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Exact fixes by distribution

A distro patch exists: prefer upgrading over downgrading.

Fedora 46 · legofy · FIXED · 1.0.0-43.20261028git6913585.fc46 · FEDORA-2026-e1e60e1e32 · source

sudo dnf upgrade --advisory=FEDORA-2026-e1e60e1e32

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/pipeshub-ai/pipeshub-ai/security/advisories/GHSA-w398-9m55-2357

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-67506?

pipeshub: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-67506 being exploited?

CVE-2025-67506 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-67506 affect?

CVE-2025-67506 affects pipeshub. Severity is critical (CVSS 9.8). PipesHub is a fully extensible workplace AI platform for enterprise search and workflow automation. Versions prior to 0.1.0-beta expose POST /api/v1/record/buffer/convert through missing authentication. The endpoint accepts a file upload an

How urgent is CVE-2025-67506?

Priority 67/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

LibreOffice vulnerabilities

References

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