CVE-2025-27910: tianti v2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component /user/ajax/upd/sta

Routine

HIGH 8.0DOWNGRADE

CVE-2025-27910 is a high-severity flaw (CVSS 8.0) affecting tianti. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

tianti v2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component /user/ajax/upd/status. This vulnerability allows attackers to execute arbitrary operations via a crafted GET or POST request.

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	8.0 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.2% (top 87%)
CISA exploited list	No
Weakness	CWE-352
Published	2025-03-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tianti project

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

Am I affected?

Timeline

2025-03-10 22:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

tianti project tianti DOWNGRADE

Affected: 2.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.3 (Debian / Ubuntu)

apt-cache madison tianti sudo apt install tianti=<VERSION_BEFORE_2.3> sudo apt-mark hold tianti

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list tianti sudo dnf downgrade tianti-<VERSION_BEFORE_2.3> sudo dnf versionlock add tianti

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-27910?

tianti: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-27910 being exploited?

CVE-2025-27910 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-2025-27910 affect?

CVE-2025-27910 affects tianti. Severity is high (CVSS 8.0). tianti v2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component /user/ajax/upd/status. This vulnerability allows attackers to execute arbitrary operations via a crafted GET or POST request.

How urgent is CVE-2025-27910?

Priority 36/100. High severity; Public exploit reference

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CVE-2025-25907 HIGH 8.8 DOWNGRADE tianti v2.3 was discovered to contain a Cross-Site Request Forgery (CSRF) via the component /user/ajax/save

References

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