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CRITICAL severity

Unescaped control characters in GitblitGHSA-fh55-vwjc-69c7

CRITICALFix: gitblit/gitblit@9b4afad

GHSA-fh55-vwjc-69c7 is a critical-severity (CVSS 9.8) Improper Privilege Management vulnerability in com.gitblit:gitblit. 1 public exploit or proof-of-concept reference is indexed, so weaponization risk is real. A fix is available for com.gitblit:gitblit — see the affected versions and patch details below.

Also known asCVE-2022-31267
Published
Updated
Affected
1 pkg
Patched
1 / 1
Exploits
1 known
Exploitation data as of Nov 8, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
17.5%probability of exploitation in next 30 days
Moderate Risk0.00%
Lower risk than most CVEs97th percentile — riskier than 97% of all scored CVEsHighest risk
0.00%7.63%15.3%22.9%0.7%17.5%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected
☕com.gitblit:gitblit

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Gitblit 1.9.2 allows privilege escalation via the Config User Service: a control character can be placed in a profile data field, such as an emailAddress%3Atext '[email protected]\n\trole = "#admin"' value.

Affected Packages

1 total 1 fixed
EcosystemPackageVulnerable rangeFix
☕Mavencom.gitblit:gitblitall versions1.9.3com.gitblit:gitblit:1.9.3

Affected Products

1 product · 1 configurations
Application
gitblitgitblit
1 version
1.9.2
Exploits & PoCs
1

Research use only. For defensive security, authorized penetration testing, and academic research only. Never execute exploit code against systems without explicit written authorization.

Gitblit 1.9.2 allows privilege escalation via the Config User Service: a…

github.comNVDJun 2022

Detection & mitigation playbook

Open-source dependency

  1. Detect

    Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for com.gitblit:gitblit, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

  2. Fix

    Update com.gitblit:gitblit to 1.9.3 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms GHSA-fh55-vwjc-69c7 is resolved across your whole dependency graph.

  3. Workarounds

    Close the privilege gap rather than the entry point: audit which accounts, roles and service identities can reach the affected operation, drop the component to the least privilege it actually needs, and review file and directory permissions created by earlier installs — a default left in place is what makes this reachable.

Frequently Asked Questions

Gitblit 1.9.2 allows privilege escalation via the Config User Service: a control character can be placed in a profile data field, such as an emailAddress%3Atext '[email protected]\n\trole = "#admin"' value.
O3 Security · Impact-Aware SCA

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Unescaped control characters in Gitblit (Critical 9.8)