CVE-2026-30637: Server-Side Request Forgery (SSRF) vulnerability exists in the AnnounContent of the /admin/read.php in OTCMS V

Q: How do I fix CVE-2026-30637?

otcms: upgrade to newer than 7.66. Exact commands for each OS are on this page.

Q: Is CVE-2026-30637 being exploited?

CVE-2026-30637 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-2026-30637 affect?

CVE-2026-30637 affects otcms. Severity is high (CVSS 7.5). 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 pointi

Q: How urgent is CVE-2026-30637?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 7.5REMOTEUPGRADE

CVE-2026-30637 is a high-severity flaw (CVSS 7.5) affecting otcms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 56%)
CISA exploited list	No
Weakness	CWE-918
Published	2026-03-27
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: otcms

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

Am I affected?

Timeline

2026-03-27 15:16 UTCPublished CVE record published
2026-06-17 10:32 UTCUpdated Record last modified

otcms otcms UPGRADE

Affected: <= 7.66

Fixed in: newer than 7.66

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 7.66 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade otcms

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-2026-30637?

otcms: upgrade to newer than 7.66. Exact commands for each OS are on this page.

Is CVE-2026-30637 being exploited?

CVE-2026-30637 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-2026-30637 affect?

CVE-2026-30637 affects otcms. Severity is high (CVSS 7.5). 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 pointi

How urgent is CVE-2026-30637?

Priority 47/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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