How severe is CVE-2022-26834?

CVE-2022-26834 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 high, integrity none, and availability none.

Is CVE-2022-26834 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26834?

CVE-2022-26834 primarily affects Rakuten Casa. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-26834?

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.

When was CVE-2022-26834 published?

CVE-2022-26834 was published on 2022-06-13 and last updated on 2026-06-17.

CVE-2022-26834

CVE-2022-26834 is a high-severity vulnerability in Rakuten Casa 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.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Rakuten Casa
Published: 2022-06-13
Last modified: 2026-06-17

Description

Improper access control vulnerability in Rakuten Casa version AP_F_V1_4_1 or AP_F_V2_0_0 allows a remote attacker to obtain the information stored in the product because the product is set to accept HTTP connections from the WAN side by default.

Frequently asked questions

What is CVE-2022-26834?: Improper access control vulnerability in Rakuten Casa version AP_F_V1_4_1 or AP_F_V2_0_0 allows a remote attacker to obtain the information stored in the product because the product is set to accept HTTP connections from the WAN side by default.
How severe is CVE-2022-26834?: CVE-2022-26834 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 high, integrity none, and availability none.
Is CVE-2022-26834 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26834?: CVE-2022-26834 primarily affects Rakuten Casa. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-26834?: 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.
When was CVE-2022-26834 published?: CVE-2022-26834 was published on 2022-06-13 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:rakuten:casa:ap_f_v1_4_1:*:*:*:*:*:*:*
cpe:2.3:a:rakuten:casa:ap_f_v2_0_0:*:*:*:*:*:*:*

More vulnerabilities in Rakuten Casa

CVE-2022-29525 — Critical (CVSS 9.8): Rakuten Casa version AP_F_V1_4_1 or AP_F_V2_0_0 uses a hard-coded credential which may allow a remote unauthenticated…
CVE-2022-28704 — High (CVSS 7.2): Improper access control vulnerability in Rakuten Casa version AP_F_V1_4_1 or AP_F_V2_0_0 allows a remote attacker to…

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