November 14, 2026

CVE Watchtower

CVE-2026-43870Apache Thrift Path Traversal

NVDCVSS scored by 134c704f-9b21-4f2e-91b3-4a467353bcc0

Vulnerability Summary

Origin Validation Error, Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting'), Uncontrolled Resource Consumption vulnerability in Apache Thrift.

This issue affects Apache Thrift: before 0.23.0.

Users are recommended to upgrade to version 0.23.0, which fixes the issue.
Severity Level
HIGH(7.3)
Published Date
May 5, 2026
Last Modified
May 6, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
0.03%Probability
Root Weakness (CWE)
CWE-22: Path Traversal β†—
The software uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory.
CWE-113 β†—
See the MITRE CWE entry for the full definition of this weakness.
CWE-346 β†—
See the MITRE CWE entry for the full definition of this weakness.
CWE-400: Uncontrolled Resource Consumption β†—
The product does not properly control the allocation and maintenance of a limited resource, enabling denial-of-service conditions.
CVSS v3.1 Base Metrics — Score 7.3 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityLow
AvailabilityLow

Affected & Patched Versions

Affected Versions
  • Apache Thrift < 0.23.0
Patched Versions
  • Apache Thrift 0.23.0

What to do

Plan remediation soon. No exploitation is confirmed yet, but the severity is high.

  1. Check whether you run Apache Thrift and which version.
  2. Update to a patched version listed above, then confirm the new version.

Timeline

  • May 5, 2026Published
  • May 6, 2026Record last modified

Score, severity and exploitation changes are tracked from the day Watchtower started logging them.

Get notified about new Apache Thrift CVEsYou are reading CVE-2026-43870. Get an email when KEV listings, exploits or new CVEs match your stack.
Set up CVE alerts

Related Coverage

More Apache Thrift CVEs

External References

Data last checked: Nov 14, 2026 21:37 UTC