Apache Allura's webhooks are vulnerable to Server-Side Request Forgery (SSRF).
This issue affects Apache Allura: through 1.20.0.
Users are recommended to upgrade to version 1.21.0, which fixes the issue.
Security readout for executives and security teams
Plain-English summary
Apache Allura webhooks can be abused remotely to make the server send unintended requests. This may expose or alter information reachable from the Allura server. Versions through 1.20.0 are affected; Apache recommends upgrading to 1.21.0.
Executive priority
Treat this as an urgent remediation item. Rapidly identify exposed Allura deployments and upgrade them, prioritizing internet-reachable systems. The potential business impact is serious, although the supplied evidence does not show active exploitation.
Technical view
CVE-2026-80181 is a webhook SSRF vulnerability classified as CWE-918. Its CVSS 3.1 vector indicates network access, low complexity, no required privileges or user interaction, and potentially high confidentiality and integrity impact without availability impact.
Likely exposure
Deployments running Apache Allura 1.20.0 or earlier are potentially exposed, particularly where webhook functionality is reachable over a network. The supplied version metadata contains an ambiguous "0" entry, but the description clearly states that releases through 1.20.0 are affected.
Exploitation context
The supplied sources do not establish active exploitation, and the CVE is not listed as KEV in the bundle. However, the 9.1 rating reflects potentially straightforward remote exploitation without authentication or user interaction. No exploit details or confirmed attack campaigns are provided.
Researcher notes
The disclosure identifies the vulnerable component and fixed version but provides limited root-cause detail. Validate version exposure and webhook reachability without assuming every installation is exploitable. The CVSS scope is unchanged, while confidentiality and integrity impacts are high. No availability impact or exploitation evidence is supplied.
Mitigation direction
Upgrade affected Apache Allura deployments to version 1.21.0 or later.
Review Apache's advisory for deployment-specific requirements and any newly published compensating controls.
Prioritize externally reachable instances and systems with webhook functionality enabled.
Validation and detection
Inventory Apache Allura instances and record their exact installed versions.
Confirm every deployment is running version 1.21.0 or later.
Identify whether webhook endpoints are network-reachable and included in security monitoring.
Review outbound request logs for unexpected destinations; this alone cannot confirm exploitation.
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Potential ATT&CK relevance
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
cwe · medium confidence lookup
CWE-918: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
The CVE wording references SSRF or metadata access, so cloud discovery and credential material review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
1CVSS vectors
3Timeline events
2ADP providers
2Source links
SSVC decision data
CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: yesTechnical Impact: total
CVSS vector scores
1 official score
We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
CWE-918 · source CWE mapping
Server-Side Request Forgery (SSRF)
Server-Side Request Forgery (SSRF) represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.