01 Record
CVE-2026-11443
Allegra downloadAttachment Cross-Site Scripting Authentication Bypass Vulnerability
MediumPUBLISHEDCNA: zdi
CNA base score4.6 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
02 Description
Allegra downloadAttachment Cross-Site Scripting Authentication Bypass Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.81% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 56.7% of scored records. A rank, not a probability.
- NVD base score
- 4.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-07-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-06-12 23:04Z4 MO AGO
- Last updated
- 2026-06-15 17:26Z4 MO AGO
- Reserved
- 2026-06-05
- Assigning CNA
- zdi
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.6)
- CNA CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')Base
- Data version
- 5.2
- Document digest
- 896ef1fd8c7ac0b0f53df2a60f8cc8dd8191fbcd1a4791fe1a678c20ebdbe7d9
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.zerodayinitiative.comZDI-26-358https://www.zerodayinitiative.com/advisories/ZDI-26-358/
- alltena.comvendor-provided URLhttps://alltena.com/en/resources/release-notes/release-notes-for-release-9-0-0/