CVE-2026-22888
CVE-2026-22888 is a high-severity vulnerability in Cybozu Garoon with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-231.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v4: 6.9
- EPSS exploit prediction: 0% (32nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5121
- Weakness: CWE-231
- Affected product: Cybozu Garoon
- Published:
- Last modified:
Description
Improper input verification issue exists in Cybozu Garoon 5.0.0 to 6.0.3, which may lead to unauthorized alteration of portal settings, potentially blocking access to the product.
Frequently asked questions
- What is CVE-2026-22888?
- Improper input verification issue exists in Cybozu Garoon 5.0.0 to 6.0.3, which may lead to unauthorized alteration of portal settings, potentially blocking access to the product.
- How severe is CVE-2026-22888?
- CVE-2026-22888 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2026-22888 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-22888?
- CVE-2026-22888 affects Cybozu Garoon. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-22888?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2026-22888 have an EU (EUVD) identifier?
- Yes. CVE-2026-22888 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5121.
- When was CVE-2026-22888 published?
- CVE-2026-22888 was published on 2026-02-02 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cybozu:garoon:*:*:*:*:*:*:*:*
More vulnerabilities in Cybozu Garoon
- CVE-2014-1987 — Critical (CVSS 10.0): The CGI component in Cybozu Garoon 3.1.0 through 3.7 SP3 allows remote attackers to execute arbitrary commands via…
- CVE-2019-5945 — Critical (CVSS 9.8): Cybozu Garoon 4.2.4 to 4.10.1 allow remote attackers to obtain the users' credential information via the authentication…
- CVE-2016-1219 — Critical (CVSS 9.8): Cybozu Garoon before 4.2.2 allows remote attackers to bypass login authentication via vectors related to API use.
- CVE-2024-31401 — Critical (CVSS 9.0): Cross-site scripting vulnerability in Cybozu Garoon 5.0.0 to 5.15.2 allows a remote authenticated attacker with an…
- CVE-2018-0607 — High (CVSS 8.8): SQL injection vulnerability in the Notifications application in the Cybozu Garoon 3.5.0 to 4.6.2 allows remote…
- CVE-2018-0530 — High (CVSS 8.8): SQL injection vulnerability in the Cybozu Garoon 3.5.0 to 4.2.6 allows remote authenticated attackers to execute…
All CVEs affecting Cybozu Garoon →
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- CVE-2023-44386 — Medium (CVSS 5.3): Vapor is an HTTP web framework for Swift. There is a denial of service vulnerability impacting all users of affected…
- CVE-2024-31397 — Medium (CVSS 4.9): Improper handling of extra values issue exists in Cybozu Garoon 5.0.0 to 5.15.2. If this vulnerability is exploited, a…