CVE-2026-22877 Copeland XWEB and XWEB Pro Path Traversal
Unauthenticated attackers can read arbitrary files and cause denial of service in Copeland XWEB Pro systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-22877?
CVE-2026-22877 is a low-severity path traversal vulnerability in Copeland XWEB 300D PRO, published on 27 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An arbitrary file-read vulnerability exists in XWEB Pro version 1.12.1 and prior, enabling unauthenticated attackers to read arbitrary files on the system, and potentially causing a denial-of-service attack.
Weakness: CWE-22
Which versions are affected by CVE-2026-22877?
It affects 3 products.
Products include Copeland Xweb 300d Pro Firmware, Copeland Xweb 500b Pro Firmware, Copeland Xweb 500d Pro Firmware.
How do I fix CVE-2026-22877?
No fix has been published for CVE-2026-22877 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-22877 being exploited?
There is no known exploitation of CVE-2026-22877 in the wild and no public exploit code.
Other vulnerabilities in Copeland XWEB 300D PRO
- CVE-2026-21718 Copeland XWEB and XWEB Pro Use of a Broken or Risky Cryptographic Algorithm
- CVE-2026-24663 Copeland XWEB and XWEB Pro OS Command Injection
- CVE-2026-25085 Copeland XWEB and XWEB Pro Unexpected Status Code or Return Value
- CVE-2026-20742 Copeland XWEB and XWEB Pro OS Command Injection
- CVE-2026-20764 Copeland XWEB and XWEB Pro OS Command Injection
Sources
Also known as GHSA-fxcq-vv53-p6q5.