CVE-2007-1799: Directory traversal vulnerability in torrent.cpp in KTorrent before 2.1.3 only checks for the ".." string, whi

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MEDIUM 6.4DOWNGRADE

CVE-2007-1799 is a medium-severity flaw (CVSS 6.4) affecting ktorrent. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in torrent.cpp in KTorrent before 2.1.3 only checks for the ".." string, which allows remote attackers to overwrite arbitrary files via modified ".." sequences in a torrent filename, as demonstrated by "../" sequences, due to an incomplete fix for CVE-2007-1384.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	2.3% (top 16%)
CISA exploited list	No
Published	2007-04-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: joris guisson

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2007-04-02 22:19 UTCPublished CVE record published
2026-06-16 22:38 UTCUpdated Record last modified

joris guisson ktorrent DOWNGRADE

Affected: 2.1.1 · 2.1.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.1.1 (Debian / Ubuntu)

apt-cache madison ktorrent sudo apt install ktorrent=<VERSION_BEFORE_2.1.1> sudo apt-mark hold ktorrent

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

dnf --showduplicates list ktorrent sudo dnf downgrade ktorrent-<VERSION_BEFORE_2.1.1> sudo dnf versionlock add ktorrent

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-2007-1799?

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

Is CVE-2007-1799 being exploited?

CVE-2007-1799 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-2007-1799 affect?

CVE-2007-1799 affects ktorrent. Severity is medium (CVSS 6.4). Directory traversal vulnerability in torrent.cpp in KTorrent before 2.1.3 only checks for the ".." string, which allows remote attackers to overwrite arbitrary files via modified ".." sequences in a torrent filename, as demonstrated by "../

How urgent is CVE-2007-1799?

Priority 43/100. No elevated risk signals yet.

Related CVEs

CVE-2008-5906 MEDIUM 6.8 UPGRADE Eval injection vulnerability in the web interface plugin in KTorrent before 3.1.4 allows remote attackers to e
CVE-2008-5905 MEDIUM 4.3 UPGRADE The web interface plugin in KTorrent before 3.1.4 allows remote attackers to bypass intended access restrictio
CVE-2007-1385 HIGH 7.5 UPGRADE chunkcounter.cpp in KTorrent before 2.1.2 allows remote attackers to cause a denial of service (crash) and hea
CVE-2007-1384 MEDIUM 6.4 UPGRADE Directory traversal vulnerability in torrent.cpp in KTorrent before 2.1.2 allows remote attackers to overwrite

References

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