CVE-2026-1331: MeetingHub developed by HAMASTAR Technology has an Arbitrary File Upload vulnerability, allowing unauthenticat

Q: How do I fix CVE-2026-1331?

meetinghub paperless meetings: upgrade to 2025-12-10. Exact commands for each OS are on this page.

Q: Is CVE-2026-1331 being exploited?

CVE-2026-1331 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-2026-1331 affect?

CVE-2026-1331 affects meetinghub paperless meetings. Severity is critical (CVSS 9.8). MeetingHub developed by HAMASTAR Technology has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Q: How urgent is CVE-2026-1331?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-1331 is a critical-severity flaw (CVSS 9.8) affecting meetinghub paperless meetings. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

MeetingHub developed by HAMASTAR Technology has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Why this priority

Critical severity
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	0.7% (top 45%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-01-22
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: hamastar

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

Am I affected?

Timeline

2026-01-22 09:15 UTCPublished CVE record published
2026-06-17 10:15 UTCUpdated Record last modified

hamastar meetinghub paperless meetings UPGRADE

Affected: < 2025-12-10

Fixed in: 2025-12-10

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy meetinghub-paperless-meetings || rpm -q meetinghub-paperless-meetings || meetinghub-paperless-meetings --version

2. UPGRADE to 2025-12-10 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade meetinghub-paperless-meetings

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade meetinghub-paperless-meetings

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-2026-1331?

meetinghub paperless meetings: upgrade to 2025-12-10. Exact commands for each OS are on this page.

Is CVE-2026-1331 being exploited?

CVE-2026-1331 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-2026-1331 affect?

CVE-2026-1331 affects meetinghub paperless meetings. Severity is critical (CVSS 9.8). MeetingHub developed by HAMASTAR Technology has an Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

How urgent is CVE-2026-1331?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-1332 MEDIUM 5.3 UPGRADE MeetingHub developed by HAMASTAR Technology has a Missing Authentication vulnerability, allowing unauthenticat
CVE-2026-1330 HIGH 7.5 UPGRADE MeetingHub developed by HAMASTAR Technology has an Arbitrary File Read vulnerability, allowing unauthenticated
CVE-2024-6118 CRITICAL 9.1 DOWNGRADE A Plaintext Storage of a Password vulnerability in ebooknote function in Hamastar MeetingHub Paperless Meeting
CVE-2024-6117 HIGH 8.8 DOWNGRADE A Unrestricted upload of file with dangerous type vulnerability in meeting management function in Hamastar Mee

References

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