CVE-2025-10929: Improper Validation of Consistency within Input vulnerability in Drupal Reverse Proxy Header allows Manipulati

Q: How do I fix CVE-2025-10929?

reverse proxy header: upgrade to 1.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2025-10929 being exploited?

CVE-2025-10929 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-2025-10929 affect?

CVE-2025-10929 affects reverse proxy header. Severity is medium (CVSS 5.3). Improper Validation of Consistency within Input vulnerability in Drupal Reverse Proxy Header allows Manipulating User-Controlled Variables.This issue affects Reverse Proxy Header: from 0.0.0 before 1.1.2.

Q: How urgent is CVE-2025-10929?

Priority 29/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-10929 is a medium-severity flaw (CVSS 5.3) affecting reverse proxy header. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Validation of Consistency within Input vulnerability in Drupal Reverse Proxy Header allows Manipulating User-Controlled Variables.This issue affects Reverse Proxy Header: from 0.0.0 before 1.1.2.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-1288
Published	2025-10-30
Last modified	2026-10-08

Publisher (CNA): Drupal.org · Vendor: reverse proxy header project

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-30 00:15 UTCPublished CVE record published
2026-10-08 10:10 UTCUpdated Record last modified

reverse proxy header project reverse proxy header UPGRADE

Affected: < 1.1.2

Fixed in: 1.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy reverse-proxy-header || rpm -q reverse-proxy-header || reverse-proxy-header --version

2. UPGRADE to 1.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade reverse-proxy-header

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade reverse-proxy-header

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-2025-10929?

reverse proxy header: upgrade to 1.1.2. Exact commands for each OS are on this page.

Is CVE-2025-10929 being exploited?

CVE-2025-10929 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-2025-10929 affect?

CVE-2025-10929 affects reverse proxy header. Severity is medium (CVSS 5.3). Improper Validation of Consistency within Input vulnerability in Drupal Reverse Proxy Header allows Manipulating User-Controlled Variables.This issue affects Reverse Proxy Header: from 0.0.0 before 1.1.2.

How urgent is CVE-2025-10929?

Priority 29/100. Remotely exploitable, no login, no user action

Software pages

Drupal vulnerabilities

References

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