CVE-2026-109169 LogicalDOC Community Edition through 9.3 SQL Injection via tags.xml firstLetter
Authenticated low-privileged users can execute SQL injection to read sensitive user data including password hashes from the database.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109169?
CVE-2026-109169 is a high-severity SQL injection vulnerability in LogicalDOC Community Edition, published on 12 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
LogicalDOC Community Edition through 9.3 contains a sql injection vulnerability that allows authenticated users to execute crafted SQL via the firstLetter parameter of TagsDataServlet. Low-privileged attackers can inject UNION SELECT statements returned in the XML tag list to read usernames, email addresses and password hashes from ld_user.
Weakness: CWE-89
Which versions are affected by CVE-2026-109169?
How do I fix CVE-2026-109169?
No fix has been published for CVE-2026-109169 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-109169 being exploited?
There is no known exploitation of CVE-2026-109169 in the wild and no public exploit code.
Sources
Also known as GHSA-cfx3-f25c-pr5c.