Which products and versions are affected by CVE-2021-26295?

Affected: Ofbiz (Apache) versions >= Apache OFBiz 17.12.01 to 17.12.05. The full list is in the CVE brief.

Is CVE-2021-26295 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.

Is CVE-2021-26295 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2021-26295?

Public exploit code is available.

Is there a fix for CVE-2021-26295?

Fixed versions are available, including Ofbiz 17.12.06.

How urgently should CVE-2021-26295 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2021-26295

CriticalExploitedPublic exploit

Apache OFBiz has unsafe deserialization prior to 17.12.06.

Published Mar 22, 2021 · Updated Jul 8, 2026 · Also known as TR-21-0252

Key Facts

Patch immediately

CVE-2021-26295 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting Ofbiz (Apache).
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023. Public exploit code is available.
EPSS estimates a 98% probability of exploitation in the next 30 days.
Fixed versions are available, including Ofbiz 17.12.06.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

98%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

2 catalog listings

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2021-26295 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

Apache OFBiz has unsafe deserialization prior to 17.12.06. An unauthenticated attacker can use this vulnerability to successfully take over Apache OFBiz.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Dec 5, 2023	n/a	Not reported
CIRCL KEV	Oct 14, 2023	n/a	Not reported

Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Affected Products

2 affected entries in total

Product	Affected versions	Fixed in
OfbizApache	>= Apache OFBiz 17.12.01 to 17.12.05	17.12.06

Patched Releases

Ofbiz

17.12.06

Timeline

Publicly disclosed
Mar 22, 2021
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Dec 5, 2023
Last updated
Jul 8, 2026

Weakness Type

CWE-502 Deserialization of Untrusted Data

References

15 more references in the full CVE brief

FAQ

Common Questions.

Apache OFBiz has unsafe deserialization prior to 17.12.06.
Affected: Ofbiz (Apache) versions >= Apache OFBiz 17.12.01 to 17.12.05. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed, CIRCL KEV since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Ofbiz 17.12.06.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2021-26295 Running On Your Attack Surface?

Brandefense maps vulnerabilities like this one to your internet-facing assets and tells you exactly where to patch.