CVE-2017-6089: SQL injection vulnerability in PhpCollab 2.5.1 and earlier allows remote attackers to execute arbitrary SQL co

Q: How do I fix CVE-2017-6089?

phpcollab: upgrade to newer than 2.5.1. Exact commands for each OS are on this page.

Q: Is CVE-2017-6089 being exploited?

CVE-2017-6089 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-2017-6089 affect?

CVE-2017-6089 affects phpcollab. Severity is critical (CVSS 9.8). SQL injection vulnerability in PhpCollab 2.5.1 and earlier allows remote attackers to execute arbitrary SQL commands via the (1) project or id parameters to topics/deletetopics.php; the (2) id parameter to bookmarks/deletebookmarks.php; or

Q: How urgent is CVE-2017-6089?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2017-6089 is a critical-severity flaw (CVSS 9.8) affecting phpcollab. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SQL injection vulnerability in PhpCollab 2.5.1 and earlier allows remote attackers to execute arbitrary SQL commands via the (1) project or id parameters to topics/deletetopics.php; the (2) id parameter to bookmarks/deletebookmarks.php; or the (3) id parameter to calendar/deletecalendar.php.

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	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-89
Published	2017-10-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phpcollab

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

Am I affected?

Timeline

2017-10-03 01:29 UTCPublished CVE record published
2026-06-17 01:21 UTCUpdated Record last modified

phpcollab phpcollab UPGRADE

Affected: <= 2.5.1

Fixed in: newer than 2.5.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.5.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phpcollab

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: phpCollab 2.5.1 - SQL Injection

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-2017-6089?

phpcollab: upgrade to newer than 2.5.1. Exact commands for each OS are on this page.

Is CVE-2017-6089 being exploited?

CVE-2017-6089 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-2017-6089 affect?

CVE-2017-6089 affects phpcollab. Severity is critical (CVSS 9.8). SQL injection vulnerability in PhpCollab 2.5.1 and earlier allows remote attackers to execute arbitrary SQL commands via the (1) project or id parameters to topics/deletetopics.php; the (2) id parameter to bookmarks/deletebookmarks.php; or

How urgent is CVE-2017-6089?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2017-6090 HIGH 8.8 UPGRADE Unrestricted file upload vulnerability in clients/editclient.php in PhpCollab 2.5.1 and earlier allows remote
CVE-2017-15907 CRITICAL 9.8 UPGRADE SQL injection vulnerability in phpCollab 2.5.1 and earlier allows remote attackers to execute arbitrary SQL co

References

← Back to latest CVEs