{"answers":{"affected":"It affects 1 product.","exploited":"It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1691 exists.","fix":"No fix has been published for CVE-2026-1691 yet. Limit exposure of the affected software until one is available.","what":"CVE-2026-1691 is a medium-severity unsafe deserialization vulnerability in bolo-solo, published on 30 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2026-1691 and fix it if it is affected.\n\nWhat it is: CVE-2026-1691 is a medium-severity unsafe deserialization vulnerability in bolo-solo, published on 30 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.\nExploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-1691 exists.\n\nAffected product: bolo-solo. No package-level version data is available, so check the vendor advisory linked from the reference page.\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2026-1691/ (Markdown: https://insights.sbomify.com/CVE-2026-1691/index.md)","id":"CVE-2026-1691","markdown":"https://insights.sbomify.com/CVE-2026-1691/index.md","name":"CVE-2026-1691","record":{"aliases":["GHSA-g4hj-43hm-xfc7"],"analysis":{"component_type":"web_application","fix_type":"upgrade","impacts":["code_execution"],"network_reachable":"yes","non_default_config":false,"product_category":"bolo-solo blog platform","requires_auth":"low_privilege","summary":"Remote attackers can achieve code execution via unsafe deserialization in the SnakeYAML component of the bolo-solo blog platform.","user_interaction":"not_required","vuln_class":"deserialization"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"VulDB","cpe":[{"product":"bolo-solo","vendor":"adlered"}],"cvss":{"score":5.3,"severity":"medium","source":"cna","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","version":"4.0"},"cwes":[{"id":"CWE-502","name":"Deserialization of Untrusted Data"},{"id":"CWE-20","name":"Improper Input Validation"}],"description":"A vulnerability has been found in bolo-solo up to 2.6.4. This impacts the function importMarkdownsSync of the file src/main/java/org/b3log/solo/bolo/prop/BackupService.java of the component SnakeYAML. Such manipulation leads to deserialization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.","ecosystems":[],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"weaponised"},"has_fix":false,"headline":"bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization","id":"CVE-2026-1691","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":null,"product":null,"products":[],"type":"deserialization","year":"2026"},"n_packages":0,"n_references":5,"next":{"headline":"Missing origin validation in GraphicalData web service requests","id":"CVE-2026-1692"},"packages":[],"prev":{"headline":"Tenda HG10 formSysCmd system command injection","id":"CVE-2026-1690"},"products":["bolo-solo"],"published":"2026-01-30","related":[{"cvss_score":9.8,"headline":"File upload in n/a","id":"CVE-2023-41009","kev_date_added":null,"published":"2023-09-05"},{"cvss_score":5.3,"headline":"bolo-blog bolo-solo ZIP File BackupService.java unpackFilteredZip path traversal","id":"CVE-2026-1810","kev_date_added":null,"published":"2026-02-03"},{"cvss_score":5.3,"headline":"bolo-blog bolo-solo Filename BackupService.java importFromMarkdown path traversal","id":"CVE-2026-1811","kev_date_added":null,"published":"2026-02-03"},{"cvss_score":5.3,"headline":"bolo-blog bolo-solo Filename BackupService.java importFromCnblogs path traversal","id":"CVE-2026-1812","kev_date_added":null,"published":"2026-02-03"},{"cvss_score":5.3,"headline":"bolo-blog bolo-solo FreeMarker Template PicUploadProcessor.java unrestricted upload","id":"CVE-2026-1813","kev_date_added":null,"published":"2026-02-03"}],"sources":[{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"CWE Terms of Use","name":"CWE (MITRE)"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"no","exploitation":"poc","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-02-23","vendors":["n/a"]},"summary":"Remote attackers can achieve code execution via unsafe deserialization in the SnakeYAML component of the bolo-solo blog platform.","url":"https://insights.sbomify.com/CVE-2026-1691/"}