PDF Document Spoofing in Documenso
User Interface (UI) Misrepresentation of Critical Information vulnerability in Documenso allows Content Spoofing.Displayed version does not show the layer flattened version, once download, If printed (e.g. via Google Chrome -> Examine the print preview): Will render the vulnerability only, not all layers are flattened. This issue affects Documenso: through 1.8.0, >1.8.0 and Documenso SaaS (Hosted) as of 2024-12-05.
- Published
- Dec 5, 2024
- Updated
- Jun 17, 2026
- EPSS
- 0.2% · 10th percentile
- CWE
- CWE-451
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Report tools
Action score
32
Monitor
Low priority for now.
- CVSS
- 32 / 40 · 8.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.2%
CISA SSVC decision
- Exploitation
- proof of concept
- Automatable
- no
- Technical impact
- partial
Vulnrichment: CISA's decision-tree inputs.
CNA vs NVD score
- NVD
- —
- CNA · VULSec
- 8.2
- NVD has not scored this yet; the score shown is the CNA’s.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/U:Red
The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| documenso | documenso | cpe:2.3:a:documenso:documenso |
Versions reported by the vendor
Affected version ranges reported by the assigning authority (VULSec). Independent of NVD's CPE analysis and usually ahead of it.
Documenso Documenso
- >1.8.0affected
- up to and including 1.8.0affected · git
Documenso Documenso SaaS (Hosted)
- 2024-12-05affected
- up to and including 2024-12-05affected · date
Same product
documenso: all recordsOther highest-scoring records for the same primary product.
- CVE-2026-82472Documenso before 2.13.0 Unauthenticated File Upload via /api/files/upload-pdf34Monitor
- CVE-2026-85697Documenso 2.17.0 PDF Route Ignores Document Visibility28Monitor
- CVE-2026-71247Documenso - Assistant Recipient Can Forge Another Signer's Signature in Sequential-Signing Documents26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
- Erez Kalmanfinder
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- Integrity
- Availability
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- P
- Scope
- X
Weakness class (CWE)
CWE-451 · User Interface (UI) Misrepresentation of Critical InformationCVSS vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Red
nvd-secondary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
- Internal SpearfishingT1534
- PhishingT1566
- Phishing: Spearfishing AttachmentT1566.001
- Phishing: Spearfishing LinkT1566.002
- Phishing: Spearfishing via ServiceT1566.003
- Phishing for InformationT1598
- Phishing for Information: Spearfishing ServiceT1598.001
- Phishing for Information: Spearfishing AttachmentT1598.002
- Phishing for Information: Spearfishing LinkT1598.003
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- github.com/documenso/documenso
- github.com/documenso/documenso/issues/1512
- www.documenso.com/
- www.vulsec.org/advisories
Vendor advisories and official records. Exploit/PoC links are deliberately left out.