CVE-2024-27705: Cross Site Scripting vulnerability in Leantime v3.0.6 allows attackers to execute arbitrary code via upload of

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HIGH 7.6DOWNGRADE

CVE-2024-27705 is a high-severity flaw (CVSS 7.6) affecting leantime. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting vulnerability in Leantime v3.0.6 allows attackers to execute arbitrary code via upload of crafted PDF file to the files/browse endpoint.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.6 (High)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 54%)
CISA exploited list	No
Weakness	CWE-94
Published	2024-04-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: leantime

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

Am I affected?

Timeline

2024-04-03 22:15 UTCPublished CVE record published
2026-06-17 07:20 UTCUpdated Record last modified

leantime leantime DOWNGRADE

Affected: 3.0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0.6 (Debian / Ubuntu)

apt-cache madison leantime sudo apt install leantime=<VERSION_BEFORE_3.0.6> sudo apt-mark hold leantime

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list leantime sudo dnf downgrade leantime-<VERSION_BEFORE_3.0.6> sudo dnf versionlock add leantime

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-27705?

leantime: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-27705 being exploited?

CVE-2024-27705 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-2024-27705 affect?

CVE-2024-27705 affects leantime. Severity is high (CVSS 7.6). Cross Site Scripting vulnerability in Leantime v3.0.6 allows attackers to execute arbitrary code via upload of crafted PDF file to the files/browse endpoint.

How urgent is CVE-2024-27705?

Priority 43/100. High severity; Public exploit reference

Related CVEs

CVE-2025-28254 MEDIUM 5.4 UPGRADE Cross Site Scripting vulnerability in Leantime v3.2.1 and before allows an authenticated attacker to execute a
CVE-2024-27703 MEDIUM 5.4 DOWNGRADE Cross Site Scripting vulnerability in Leantime 3.0.6 allows a remote attacker to execute arbitrary code via th
CVE-2024-27477 MEDIUM 6.1 DOWNGRADE In Leantime 3.0.6, a Cross-Site Scripting vulnerability exists within the ticket creation and modification fun
CVE-2024-27476 MEDIUM 4.7 DOWNGRADE Leantime 3.0.6 is vulnerable to HTML Injection via /dashboard/show#/tickets/newTicket.
CVE-2024-27474 HIGH 8.8 DOWNGRADE Leantime 3.0.6 is vulnerable to Cross Site Request Forgery (CSRF)

References

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