PatchSiren cyber security CVE debrief
CVE-2018-25332 Unknown Vendor CVE debrief
The supplied NVD record describes CVE-2018-25332 as a critical unauthenticated remote code execution issue associated with GitBucket. The supplied description says attackers may abuse weak secret token generation and insecure file upload/plugin handling to execute system commands. NVD maps the issue to CWE-306 and rates it 9.3/CRITICAL. Because the corpus here is limited to metadata and reference links, this debrief stays at the defensive summary level and does not reconstruct exploit steps.
- Vendor
- Unknown Vendor
- Product
- Unknown
- CVSS
- CRITICAL 9.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-05-17
- Original CVE updated
- 2026-05-18
- Advisory published
- 2026-05-17
- Advisory updated
- 2026-05-18
Who should care
GitBucket administrators, operators of self-hosted Git services, security teams responsible for internet-facing developer platforms, and defenders monitoring unauthenticated RCE exposure in upload or plugin paths.
Technical summary
According to the supplied CVE description and NVD metadata, the weakness affects GitBucket 4.23.1 and is described as an unauthenticated remote code execution condition. The stated attack path involves weak secret token generation plus insecure file upload functionality, with references pointing to the GitBucket project, a security advisory site, an Exploit-DB entry, and a VulnCheck advisory URL. NVD associates the issue with CWE-306 and a CVSS 4.0 score of 9.3/CRITICAL.
Defensive priority
Critical
Recommended defensive actions
- Confirm whether any GitBucket instances are exposed to untrusted networks.
- Check for vendor guidance or patched releases associated with CVE-2018-25332 and upgrade promptly.
- Restrict access to GitBucket and related upload or plugin endpoints until patched.
- Review logs for suspicious plugin uploads, unexpected JAR files, or abnormal command execution indicators.
- Remove or tightly control any functionality that allows user-supplied content to become executable code or plugins.
- If exposure cannot be eliminated immediately, place the service behind strong authentication and network controls.
Evidence notes
Evidence in the supplied corpus consists of the NVD record and the listed references: the GitBucket repository, security.szurek.pl, Exploit-DB, and a VulnCheck advisory URL. The corpus does not include fetched advisory text, so the summary relies only on the metadata and the CVE description provided in the prompt. The vendor field in the prompt is marked low-confidence/unknown, so product attribution is treated as tentative despite the GitBucket references.
Official resources
The supplied NVD record was published and modified on 2026-05-17 in the feed provided here. That timestamp reflects record handling in the database, not the original vulnerability date. The corpus does not provide a separate authoritative 0