CVE-2022-23851: Netaxis API Orchestrator (APIO) before 0.19.3 allows server side template injection (SSTI).

Q: How do I fix CVE-2022-23851?

api orchestrator: upgrade to 0.19.3. Exact commands for each OS are on this page.

Q: Is CVE-2022-23851 being exploited?

CVE-2022-23851 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-23851 affect?

CVE-2022-23851 affects api orchestrator. Severity is critical (CVSS 9.8). Netaxis API Orchestrator (APIO) before 0.19.3 allows server side template injection (SSTI).

Q: How urgent is CVE-2022-23851?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2022-23851 is a critical-severity flaw (CVSS 9.8) affecting api orchestrator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Netaxis API Orchestrator (APIO) before 0.19.3 allows server side template injection (SSTI).

Why this priority

Critical severity
Public exploit reference
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	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-1336
Published	2025-12-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netaxis

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-17 15:15 UTCPublished CVE record published
2026-06-17 04:30 UTCUpdated Record last modified

netaxis api orchestrator UPGRADE

Affected: < 0.19.3

Fixed in: 0.19.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy api-orchestrator || rpm -q api-orchestrator || api-orchestrator --version

2. UPGRADE to 0.19.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade api-orchestrator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade api-orchestrator

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

Fedora 46 · php-pecl-yac · FIXED · 3.0.2-1.fc46 · FEDORA-2026-0322a78385 · source

sudo dnf upgrade --advisory=FEDORA-2026-0322a78385

Fedora ELN · openldap · FIXED · 2.6.16-1.eln159 · FEDORA-2026-4b30c86326 · source

sudo dnf upgrade --advisory=FEDORA-2026-4b30c86326

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-2022-23851?

api orchestrator: upgrade to 0.19.3. Exact commands for each OS are on this page.

Is CVE-2022-23851 being exploited?

CVE-2022-23851 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-2022-23851 affect?

CVE-2022-23851 affects api orchestrator. Severity is critical (CVSS 9.8). Netaxis API Orchestrator (APIO) before 0.19.3 allows server side template injection (SSTI).

How urgent is CVE-2022-23851?

Priority 55/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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