{"id":"CVE-2026-1691","state":"PUBLISHED","title":"bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization","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.","publishedAt":"2026-01-30T17:02:06.205Z","updatedAt":"2026-02-23T09:10:21.991Z","severity":{"score":5.3,"label":"Medium","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["n/a bolo-solo"],"affected":[{"vendor":"n/a","product":"bolo-solo","versions":[{"version":"2.6.0","status":"affected"},{"version":"2.6.1","status":"affected"},{"version":"2.6.2","status":"affected"},{"version":"2.6.3","status":"affected"},{"version":"2.6.4","status":"affected"}],"modules":["SnakeYAML"]}],"references":["https://vuldb.com/?id.343485","https://vuldb.com/?ctiid.343485","https://vuldb.com/?submit.741899","https://github.com/bolo-blog/bolo-solo/issues/325","https://github.com/bolo-blog/bolo-solo/issues/325#issue-3828755519"],"weaknesses":["CWE-502","CWE-20"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/1xxx/CVE-2026-1691.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-1691","state":"PUBLISHED","datePublished":"2026-01-30T17:02:06.205Z","dateUpdated":"2026-02-23T09:10:21.991Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-01-30T07:59:47.772Z"},"containers":{"cna":{"title":"bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"n/a","product":"bolo-solo","versions":[{"version":"2.6.0","status":"affected"},{"version":"2.6.1","status":"affected"},{"version":"2.6.2","status":"affected"},{"version":"2.6.3","status":"affected"},{"version":"2.6.4","status":"affected"}],"modules":["SnakeYAML"]}],"references":[{"url":"https://vuldb.com/?id.343485","name":"VDB-343485 | bolo-solo SnakeYAML BackupService.java importMarkdownsSync deserialization","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/?ctiid.343485","name":"VDB-343485 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/?submit.741899","name":"Submit #741899 | bolo-solo V2.6.4 SnakeYAML deserialization vulnerability","tags":["third-party-advisory"]},{"url":"https://github.com/bolo-blog/bolo-solo/issues/325","tags":["issue-tracking"]},{"url":"https://github.com/bolo-blog/bolo-solo/issues/325#issue-3828755519","tags":["exploit","issue-tracking"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":5.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":6.3,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":6.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":6.5,"vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-502","type":"CWE","lang":"en","description":"Deserialization"}]},{"descriptions":[{"cweId":"CWE-20","type":"CWE","lang":"en","description":"Improper Input Validation"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-02-23T09:10:21.991Z"},"timeline":[{"time":"2026-01-30T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-01-30T01:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-01-31T10:40:45.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"MaoQiu (VulDB User)","type":"reporter"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-01-30T19:25:53.717494Z","id":"CVE-2026-1691","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-30T19:26:02.360Z"}}]}}}