How severe is CVE-2026-30637?

CVE-2026-30637 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-2026-30637 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-30637?

CVE-2026-30637 affects Otcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-30637?

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-2026-30637 have an EU (EUVD) identifier?

Yes. CVE-2026-30637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16642.

When was CVE-2026-30637 published?

CVE-2026-30637 was published on 2026-03-27 and last updated on 2026-06-17.

CVE-2026-30637

CVE-2026-30637 is a high-severity vulnerability in Otcms 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-918.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-16642
Weakness: CWE-918
Affected product: Otcms
Published: 2026-03-27
Last modified: 2026-06-17

Description

Server-Side Request Forgery (SSRF) vulnerability exists in the AnnounContent of the /admin/read.php in OTCMS V7.66 and before. The vulnerability allows remote attackers to craft HTTP requests, without authentication, containing a URL pointing to internal services or any remote server

Frequently asked questions

What is CVE-2026-30637?: Server-Side Request Forgery (SSRF) vulnerability exists in the AnnounContent of the /admin/read.php in OTCMS V7.66 and before. The vulnerability allows remote attackers to craft HTTP requests, without authentication, containing a URL pointing to internal services or any remote server
How severe is CVE-2026-30637?: CVE-2026-30637 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-2026-30637 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-30637?: CVE-2026-30637 affects Otcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-30637?: 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-2026-30637 have an EU (EUVD) identifier?: Yes. CVE-2026-30637 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-16642.
When was CVE-2026-30637 published?: CVE-2026-30637 was published on 2026-03-27 and last updated on 2026-06-17.

References

https://github.com/cryingtor/Code-Audit/blob/master/ssrf.md

Affected products (1)

cpe:2.3:a:otcms:otcms:*:*:*:*:*:*:*:*

More vulnerabilities in Otcms

CVE-2018-17364 — High (CVSS 8.1): OTCMS 3.61 allows remote attackers to execute arbitrary PHP code via the accBackupDir parameter.
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CVE-2019-17369 — Medium (CVSS 6.5): OTCMS v3.85 has CSRF in the admin/member_deal.php Admin Panel page, leading to creation of a new management group…
CVE-2023-3238 — Medium (CVSS 6.3): A vulnerability, which was classified as critical, has been found in OTCMS up to 6.62. This issue affects some unknown…
CVE-2023-3237 — Medium (CVSS 6.3): A vulnerability classified as critical was found in OTCMS up to 6.62. This vulnerability affects unknown code. The…
CVE-2023-1797 — Medium (CVSS 6.3): A vulnerability classified as critical was found in OTCMS 6.0.1. Affected by this vulnerability is an unknown…

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