CVE-2026-3058: The Seraphinite Accelerator plugin for WordPress is vulnerable to Sensitive Information Exposure in all versio

Q: How do I fix CVE-2026-3058?

seraphinite accelerator: upgrade to 2.28.15. Exact commands for each OS are on this page.

Q: Is CVE-2026-3058 being exploited?

CVE-2026-3058 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-2026-3058 affect?

CVE-2026-3058 affects seraphinite accelerator. Severity is medium (CVSS 4.3). The Seraphinite Accelerator plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.28.14 via the `seraph_accel_api` AJAX action with `fn=GetData`. This is due to the `OnAdminApi_GetData(

Q: How urgent is CVE-2026-3058?

Priority 22/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2026-3058 is a medium-severity flaw (CVSS 4.3) affecting seraphinite accelerator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Seraphinite Accelerator plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.28.14 via the `seraph_accel_api` AJAX action with `fn=GetData`. This is due to the `OnAdminApi_GetData()` function not performing any capability checks. This makes it possible for authenticated attackers, with Subscriber-level access and above, to retrieve sensitive operational data including cache status, sched

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-200
Published	2026-03-04
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: s-sols

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

Am I affected?

Timeline

2026-03-04 12:16 UTCPublished CVE record published
2026-06-17 10:42 UTCUpdated Record last modified

s-sols seraphinite accelerator UPGRADE

Affected: < 2.28.15

Fixed in: 2.28.15

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy seraphinite-accelerator || rpm -q seraphinite-accelerator || seraphinite-accelerator --version

2. UPGRADE to 2.28.15 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade seraphinite-accelerator

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade seraphinite-accelerator

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-2026-3058?

seraphinite accelerator: upgrade to 2.28.15. Exact commands for each OS are on this page.

Is CVE-2026-3058 being exploited?

CVE-2026-3058 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-2026-3058 affect?

CVE-2026-3058 affects seraphinite accelerator. Severity is medium (CVSS 4.3). The Seraphinite Accelerator plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.28.14 via the `seraph_accel_api` AJAX action with `fn=GetData`. This is due to the `OnAdminApi_GetData(

How urgent is CVE-2026-3058?

Priority 22/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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