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CVE-2026-8183: IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0

38
Routine
HIGH 7.7UPGRADE

CVE-2026-8183 is a high-severity flaw (CVSS 7.7) affecting langflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could send a specially crafted URL request containing "dot dot " sequences ( /.. /) to v i ew arbitrary files on the system.

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.7 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.6% (top 54%)
CISA exploited listNo
WeaknessCWE-22
Published2026-08-05
Last modified2026-10-24
Publisher (CNA): IBM Corporation · Vendor: langflow

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

langflow langflow UPGRADE
Affected: >= 1.0.0 and < 1.11.0
Fixed in: 1.11.0
Safe to downgrade to: a release before 1.0.0
1. Check installed version
apt-cache policy langflow || rpm -q langflow || langflow --version
2. UPGRADE to 1.11.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade langflow
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade langflow
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 1.0.0 (Debian / Ubuntu)
apt-cache madison langflow sudo apt install langflow=<VERSION_BEFORE_1.0.0> sudo apt-mark hold langflow
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list langflow sudo dnf downgrade langflow-<VERSION_BEFORE_1.0.0> sudo dnf versionlock add langflow
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.

Exact fixes by distribution

Fedora ELN · ntpd-rs · FIXED · 1.7.2-3.eln159 · FEDORA-2026-57e4a99310 · source
sudo dnf upgrade --advisory=FEDORA-2026-57e4a99310
Fedora 46 · moby-engine · FIXED · 29.9.2-2.fc46 · FEDORA-2026-4856be87b3 · source
sudo dnf upgrade --advisory=FEDORA-2026-4856be87b3
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-2026-8183?

langflow: upgrade to 1.11.0. Exact commands for each OS are on this page.

Is CVE-2026-8183 being exploited?

CVE-2026-8183 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-2026-8183 affect?

CVE-2026-8183 affects langflow. Severity is high (CVSS 7.7). IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 could allow a remote attacker to traverse directories on the system. An attacker could s

How urgent is CVE-2026-8183?

Priority 38/100. High severity

Related CVEs

References

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