Security readout for executives and security teams
Plain-English summary
CVE-2026-3049 is an open redirect flaw in Horilla CRM. An attacker could craft a link that appears to involve the trusted Horilla site but sends a user elsewhere. This mainly supports phishing and trust-abuse scenarios rather than direct system takeover. Public exploit material exists, and version 1.0.3 is identified as the fix.
Executive priority
Address in the next regular security update cycle, sooner for internet-facing Horilla CRM or environments with phishing sensitivity. This is not described as active mass exploitation, but public exploit availability and low attack complexity make delay unnecessary.
Technical view
The issue affects the get function in horilla_generics/global_search.py, specifically handling of the prev_url query parameter. VulDB describes it as CWE-601 open redirect, remotely triggerable, unauthenticated, with user interaction required. CVSS v4.0 is 5.3. The listed fix is Horilla CRM 1.0.3 / commit 730b5a44ff060916780c44a4bdbc8ced70a2cd27.
Likely exposure
Organizations running Horilla CRM versions before 1.0.3 are the primary exposure. Internet-facing deployments increase phishing risk because attackers can use trusted application URLs in lures. The source bundle contains a version-list inconsistency mentioning 1.0.3 as affected while also naming it as fixed; treat 1.0.3 as the vendor-identified remediation pending verification.
Exploitation context
Public exploit material is referenced, but there is no KEV listing and no cited source confirms active exploitation. Successful abuse requires a user to interact with a crafted link. Business impact is most likely credential phishing, session-trust abuse, or redirecting users to malicious sites under cover of a legitimate Horilla URL.
Researcher notes
Sources identify CWE-601 in horilla_generics/global_search.py prev_url handling. CVSS indicates network attack, low complexity, no privileges, and user interaction. The advisory says the exploit is public. Evidence does not establish active exploitation. Note the affected-version metadata conflicts with the remediation statement naming 1.0.3 as fixed.
Mitigation direction
- Upgrade Horilla CRM to version 1.0.3 where feasible.
- Apply or verify patch commit 730b5a44ff060916780c44a4bdbc8ced70a2cd27.
- Review vendor release notes and guidance before production deployment.
- Educate users to treat unexpected Horilla links cautiously.
- Monitor for unusual requests containing prev_url parameters.
Validation and detection
- Inventory Horilla CRM deployments and confirm exposed instances.
- Check running version; prioritize anything below 1.0.3.
- Verify the patched global_search.py behavior is present.
- Review access logs for suspicious prev_url usage.
- Perform a safe redirect validation in a test environment only.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-601: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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.
Open ATT&CK lookupCVE-2026-3049 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA and ADP enrichment extracted from CVE v5
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.
CVSS vector scores
1 official scoreWe 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.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
5.3MediumVector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
Source materials
- CVE List V5 sourceCVE List V5
- VDB-347407 | horilla-opensource horilla Query Parameter global_search.py get redirectCVE reference · vdb-entry, technical-description
- VDB-347407 | CTI Indicators (IOB, IOC, TTP, IOA)CVE reference · signature, permissions-required
- Submit #757296 | Horilla CRM < 1.0.3 Open RedirectCVE reference · third-party-advisory
- https://github.com/Stolichnayer/Horilla-CRM-Open-RedirectCVE reference · exploit
- https://github.com/horilla-opensource/horilla-crm/commit/730b5a44ff060916780c44a4bdbc8ced70a2cd27CVE reference · patch
- https://github.com/horilla-opensource/horilla-crm/releases/tag/1.0.3CVE reference · patch
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
URL Redirection to Untrusted Site ('Open Redirect')
URL Redirection to Untrusted Site ('Open Redirect') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.