CVE-2021-26629: A path traversal vulnerability in XPLATFORM's runtime archive function could lead to arbitrary file creation

Q: How do I fix CVE-2021-26629?

xplatform: upgrade to 9.2.2.284. Exact commands for each OS are on this page.

Q: Is CVE-2021-26629 being exploited?

CVE-2021-26629 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-26629 affect?

CVE-2021-26629 affects xplatform. Severity is high (CVSS 8.8). A path traversal vulnerability in XPLATFORM's runtime archive function could lead to arbitrary file creation. When the .xzip archive file is decompressed, an arbitrary file can be d in the parent path by using the path traversal pattern ‘..

This month

HIGH 8.8UPGRADE

CVE-2021-26629 is a high-severity flaw (CVSS 8.8) affecting xplatform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A path traversal vulnerability in XPLATFORM's runtime archive function could lead to arbitrary file creation. When the .xzip archive file is decompressed, an arbitrary file can be d in the parent path by using the path traversal pattern ‘..\’.

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.6% (top 25%)
CISA exploited list	No
Weakness	CWE-22
Published	2022-04-26
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: tobesoft

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

Am I affected?

Timeline

2022-04-26 19:15 UTCPublished CVE record published
2026-06-17 03:43 UTCUpdated Record last modified

tobesoft xplatform UPGRADE

Affected: < 9.2.2.284

Fixed in: 9.2.2.284

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 9.2.2.284 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xplatform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xplatform

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2021-26629?

xplatform: upgrade to 9.2.2.284. Exact commands for each OS are on this page.

Is CVE-2021-26629 being exploited?

CVE-2021-26629 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-2021-26629 affect?

CVE-2021-26629 affects xplatform. Severity is high (CVSS 8.8). A path traversal vulnerability in XPLATFORM's runtime archive function could lead to arbitrary file creation. When the .xzip archive file is decompressed, an arbitrary file can be d in the parent path by using the path traversal pattern ‘..

How urgent is CVE-2021-26629?

Priority 50/100. High severity

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References

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