CVE-2026-28342: OliveTin gives access to predefined shell commands from a web interface

Q: How do I fix CVE-2026-28342?

olivetin: upgrade to 3000.10.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-28342 being exploited?

CVE-2026-28342 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-2026-28342 affect?

CVE-2026-28342 affects olivetin. Severity is high (CVSS 7.5). OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.10.2, the PasswordHash API endpoint allows unauthenticated users to trigger excessive memory allocation by sending concurrent password hashing re

Q: How urgent is CVE-2026-28342?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-28342 is a high-severity flaw (CVSS 7.5) affecting olivetin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.10.2, the PasswordHash API endpoint allows unauthenticated users to trigger excessive memory allocation by sending concurrent password hashing requests. By issuing multiple parallel requests, an attacker can exhaust available container memory, leading to service degradation or complete denial of service (DoS). The issue occurs because the endpoint perfo

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-400, CWE-770
Published	2026-03-05
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2026-03-05 20:16 UTCPublished CVE record published
2026-06-17 10:28 UTCUpdated Record last modified

olivetin olivetin UPGRADE

Affected: < 3000.10.2

Fixed in: 3000.10.2

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 3000.10.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade olivetin

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade olivetin

Note

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

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-2026-28342?

olivetin: upgrade to 3000.10.2. Exact commands for each OS are on this page.

Is CVE-2026-28342 being exploited?

CVE-2026-28342 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-2026-28342 affect?

CVE-2026-28342 affects olivetin. Severity is high (CVSS 7.5). OliveTin gives access to predefined shell commands from a web interface. Prior to version 3000.10.2, the PasswordHash API endpoint allows unauthenticated users to trigger excessive memory allocation by sending concurrent password hashing re

How urgent is CVE-2026-28342?

Priority 49/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-31817 HIGH 8.5 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30233 MEDIUM 6.5 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30225 MEDIUM 5.3 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30224 MEDIUM 5.4 UPGRADE OliveTin gives access to predefined shell commands from a web interface
CVE-2026-30223 HIGH 8.8 UPGRADE OliveTin gives access to predefined shell commands from a web interface

References

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